Business Statistics Quiz: Key Business Metrics
20 questions · exam conditions
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Key Business MetricsQuestion 1 of 20

A retail company reported a Cost of Goods Sold (COGS) of $3,000,000 for the year. Its beginning inventory was $450,000, and its ending inventory was $550,000. What was the company's inventory turnover rate for the year?

0.17
5.5
6.0
6.7
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Business Statistics Quiz

Business Statistics Quiz: Key Business Metrics

Practice Key Business Metrics in Business Statistics with focused quiz questions that help you check what you know, review explanations, and build confidence with test-style prompts.

What this quiz covers

This quiz focuses on Key Business Metrics, giving you a quick way to practice the rules, question types, and explanations that matter most for Business Statistics.

How to use this quiz

Try each quiz question before looking at the correct answer. Use the explanations to review missed ideas, then come back to similar questions until the pattern feels familiar.

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Question 1

A retail company reported a Cost of Goods Sold (COGS) of $3,000,000 for the year. Its beginning inventory was $450,000, and its ending inventory was $550,000. What was the company's inventory turnover rate for the year?

  1. 0.17
  2. 5.5
  3. 6.0 (correct answer)
  4. 6.7
Explanation: Inventory turnover is calculated by dividing COGS by the average inventory for the period.\n\n1. Calculate Average Inventory: \frac{\text{Beginning Inventory} + \text{Ending Inventory}}{2} = \frac{\450,000 + $550,000}{2} = \frac{$1,000,000}{2} = $500,000.\n2.∗∗CalculateInventoryTurnover∗∗:.\n2. **Calculate Inventory Turnover**: \frac{\text{COGS}}{\text{Average Inventory}} = \frac{$3,000,000}{$500,000} = 6.0$. This means the company sold and replaced its inventory 6 times during the year.

Question 2

A software company offers two subscription tiers. The Basic tier costs $20/month and has 4,000 users. The Pro tier costs $50/month and has 1,000 users. What is the company's overall Average Revenue Per User (ARPU) per month?

  1. $30.00
  2. $26.00 (correct answer)
  3. $35.00
  4. $70.00
Explanation: To find the overall ARPU, calculate the total revenue and divide it by the total number of users.\n\n1. Calculate Basic tier revenue: 4,000 \text{ users} \times \20/\text{user} = $80,000\n2.∗∗CalculateProtierrevenue∗∗:\n2. **Calculate Pro tier revenue**: 1,000 \text{ users} \times $50/\text{user} = $50,000\n3.∗∗Calculatetotalrevenue∗∗:\n3. **Calculate total revenue**: $80,000 + $50,000 = $130,000\n4.∗∗Calculatetotalusers∗∗:\n4. **Calculate total users**: 4,000 + 1,000 = 5,000\n5.∗∗CalculateoverallARPU∗∗:\n5. **Calculate overall ARPU**: \frac{\text{Total Revenue}}{\text{Total Users}} = \frac{$130,000}{5,000} = $26.00$

Question 3

A consulting firm generated $12 million in revenue for the fiscal year. The firm started the year with 75 employees and ended the year with 85 employees, with hiring occurring steadily throughout the year. Which of the following best represents the firm's revenue per employee for that year?

  1. $141,176
  2. $150,000 (correct answer)
  3. $160,000
  4. $80.00
Explanation: To accurately calculate revenue per employee over a period where the number of employees changes, it is best to use the average number of employees.\n\n1. Calculate the average number of employees: (Start Employees+End Employees)2=(75+85)2=1602=80 employees\frac{(\text{Start Employees} + \text{End Employees})}{2} = \frac{(75 + 85)}{2} = \frac{160}{2} = 80 \text{ employees}.\n2. Calculate revenue per employee: \frac{\text{Total Revenue}}{\text{Average Employees}} = \frac{\12,000,000}{80} = $150,000$.

Question 4

A SaaS company starts the month with $200,000 in Monthly Recurring Revenue (MRR). During the month, it adds $25,000 in MRR from new customers, gains $10,000 in MRR from existing customers upgrading their plans (expansion), and loses $15,000 in MRR from cancellations (churn). What is the company's Net New MRR for the month?

  1. $20,000 (correct answer)
  2. $35,000
  3. $220,000
  4. $235,000
Explanation: Net New MRR is the sum of new revenue and expansion revenue, minus churned revenue. It represents the net monthly change in MRR.\n\nFormula: Net New MRR = (New MRR + Expansion MRR) - Churn MRR\n\nCalculation: (\25,000 + $10,000) - $15,000 = $35,000 - $15,000 = $20,000$.

Question 5

An e-commerce company's conversion funnel shows 45,000 website visitors, 9,000 product page views, 1,800 cart additions, and 540 completed purchases in a given month. If the company's average order value (AOV) is $85 and their cost of goods sold (COGS) represents 35% of revenue, what is their gross profit per website visitor for this month?

  1. $0.68 (correct answer)
  2. $1.02
  3. $1.53
  4. $2.35
Explanation: First, calculate total revenue: 540 purchases × $85 AOV = $45,900. Next, calculate gross profit: Revenue - COGS = $45,900 - (35% × $45,900) = $45,900 - $16,065 = $29,835. Finally, gross profit per visitor = $29,835 ÷ 45,000 visitors = $0.663 ≈ $0.68. Choice B incorrectly uses revenue instead of gross profit. Choice C miscalculates COGS as 25%. Choice D uses only cart additions instead of total visitors.

Question 6

A company's Customer Acquisition Cost (CAC) is $300. The average customer generates $50 in revenue per month, and the company's gross margin is 40%. How many months does it take for the company to recover its CAC for a new customer?

  1. 6 months
  2. 9 months
  3. 15 months (correct answer)
  4. 25 months
Explanation: The CAC payback period should be calculated using profit (gross margin), not revenue.\n\n1. Calculate monthly profit per customer: \text{Monthly Revenue} \times \text{Gross Margin} = \50 \times 40% = $20.\n2.∗∗Calculatepaybackperiod∗∗:.\n2. **Calculate payback period**: \frac{\text{CAC}}{\text{Monthly Profit per Customer}} = \frac{$300}{$20} = 15 \text{ months}$.

Question 7

For the last fiscal year, a company reported $2,500,000 in revenue. Its Cost of Goods Sold (COGS) was $1,000,000, its operating expenses were $800,000, and its net income was $500,000. What was the company's Gross Margin as a percentage of revenue?

  1. 20%
  2. 28%
  3. 40%
  4. 60% (correct answer)
Explanation: The question asks for the Gross Margin percentage, which requires using revenue and COGS. The other financial figures are distractors.\n\n1. Calculate Gross Profit: \text{Revenue} - \text{COGS} = \2,500,000 - $1,000,000 = $1,500,000.\n2.∗∗CalculateGrossMarginPercentage∗∗:.\n2. **Calculate Gross Margin Percentage**: \frac{\text{Gross Profit}}{\text{Revenue}} = \frac{$1,500,000}{$2,500,000} = 0.60 = 60%$.

Question 8

An e-commerce site plans for 100,000 visitors next month. 70% of visitors are expected to view Product A, which costs $50 and has a 4% conversion rate. The remaining 30% are expected to view Product B, which costs $120 and has a 2% conversion rate. What is the total expected revenue for the month?

  1. $106,000
  2. $172,000
  3. $212,000 (correct answer)
  4. $255,000
Explanation: Calculate the expected revenue from each product separately and then sum them.\n\n1. Product A Analysis:\n - Visitors: 100,000×70%=70,000100,000 \times 70\% = 70,000\n - Conversions: 70,000×4%=2,80070,000 \times 4\% = 2,800\n - Revenue: 2,800 \times \50 = $140,000\n2.∗∗ProductBAnalysis∗∗:\n−Visitors:\n2. **Product B Analysis**:\n - Visitors: 100,000 \times 30% = 30,000\n−Conversions:\n - Conversions: 30,000 \times 2% = 600\n−Revenue:\n - Revenue: 600 \times $120 = $72,000\n3.∗∗TotalExpectedRevenue∗∗:\n3. **Total Expected Revenue**: $140,000 + $72,000 = $212,000$

Question 9

A company's average customer makes 4 purchases per year at an average value of $75 per purchase. The average customer relationship lasts for 5 years. The variable cost associated with each sale is 60% of the purchase value. What is the profit-based Customer Lifetime Value (CLV)?

  1. $600 (correct answer)
  2. $900
  3. $1,200
  4. $1,500
Explanation: This question requires calculating CLV based on profit (or contribution margin), not revenue.\n
  1. Calculate revenue per purchase: $75
  2. Calculate profit per purchase: Since variable cost is 60%, the profit margin is 40%. So, profit is \75 \times (1 - 0.60) = $75 \times 0.40 = $30.\n3.∗∗Calculateannualprofitpercustomer∗∗:.\n3. **Calculate annual profit per customer**: \text{Profit per Purchase} \times \text{Purchases per Year} = $30 \times 4 = $120.\n4.∗∗Calculatelifetimeprofit(CLV)∗∗:.\n4. **Calculate lifetime profit (CLV)**: \text{Annual Profit} \times \text{Customer Lifespan} = $120 \times 5 \text{ years} = $600$.

Question 10

In one month, a company's marketing efforts generated 50,000 website visitors. These efforts produced 2,000 marketing qualified leads (MQLs), and from those leads, the sales team successfully converted 100 into paying customers. What was the lead-to-customer conversion rate for that month?

  1. 0.2%
  2. 0.5%
  3. 4.0%
  4. 5.0% (correct answer)
Explanation: This question tests the understanding of a specific stage in the marketing and sales funnel. The lead-to-customer conversion rate measures how many leads become customers.\n\nFormula: Lead-to-Customer Rate = New CustomersLeads×100%\frac{\text{New Customers}}{\text{Leads}} \times 100\%\n\nCalculation: 100 customers2,000 leads×100%=0.05×100%=5.0%\frac{100 \text{ customers}}{2,000 \text{ leads}} \times 100\% = 0.05 \times 100\% = 5.0\%.

Question 11

An online advertising campaign generated 500,000 impressions, resulted in 10,000 clicks, and cost a total of $4,000. Based only on this information, which of the following key business metrics can be calculated?

  1. Return on Ad Spend (ROAS)
  2. Customer Acquisition Cost (CAC)
  3. Conversion Rate
  4. Cost Per Click (CPC) (correct answer)
Explanation: The problem requires identifying which metric's formula can be satisfied with the given data.\n- Given: Impressions = 500,000; Clicks = 10,000; Total Cost = $4,000.\n- Cost Per Click (CPC) is calculated as Total CostNumber of Clicks\frac{\text{Total Cost}}{\text{Number of Clicks}}. We have both these values (\4,000 / 10,000 = $0.40$), so CPC can be calculated.\n- ROAS requires revenue data, which is not provided.\n- CAC requires the number of new customers acquired, which is not provided.\n- Conversion Rate requires the number of conversions (e.g., sales, sign-ups), which is not provided.

Question 12

A startup has monthly revenues of $30,000. Its monthly expenses consist of $40,000 in salaries, $10,000 for rent and utilities, and $5,000 for software subscriptions. What is the company's net burn rate for the month?

  1. $25,000 (correct answer)
  2. -$25,000
  3. $55,000
  4. $85,000
Explanation: Net burn rate is the rate at which a company is losing money, calculated as total expenses minus total revenue. It is typically expressed as a positive number.\n\n1. Calculate Total Monthly Expenses: \40,000 + $10,000 + $5,000 = $55,000.\n2.∗∗CalculateNetBurn∗∗:.\n2. **Calculate Net Burn**: \text{Total Expenses} - \text{Revenue} = $55,000 - $30,000 = $25,000$. This means the company's cash position decreased by $25,000 that month.

Question 13

A company sells 5,000 units of a product, generating a total revenue of $400,000. The Cost of Goods Sold (COGS) is $150,000, and total operating expenses (including marketing and administration) are $100,000. What is the company's operating profit per unit sold?

  1. $30 (correct answer)
  2. $50
  3. $80
  4. $70
Explanation: This requires calculating the total operating profit first, and then finding the per-unit value.\n\n1. Calculate Total Operating Profit: \text{Revenue} - \text{COGS} - \text{Operating Expenses} = \400,000 - $150,000 - $100,000 = $150,000.\n2.∗∗CalculateProfitperUnit∗∗:.\n2. **Calculate Profit per Unit**: \frac{\text{Total Operating Profit}}{\text{Number of Units}} = \frac{$150,000}{5,000} = $30 \text{ per unit}$.

Question 14

A subscription service started the month with 10,000 customers. During the month, 500 customers canceled their subscriptions, and the company acquired 800 new customers. What was the net customer churn rate for the month?

  1. -3.0% (correct answer)
  2. 2.0%
  3. 3.0%
  4. 5.0%
Explanation: Net churn rate accounts for both lost and new customers. It is calculated as (Customers Lost−Customers Gained)Customers at Start of Period\frac{(\text{Customers Lost} - \text{Customers Gained})}{\text{Customers at Start of Period}}.\n
  1. Customers Lost: 500
  2. Customers Gained: 800
  3. Net Change: 500−800=−300500 - 800 = -300 customers.\n4. Calculate Net Churn Rate: −30010,000=−0.03=−3.0%\frac{-300}{10,000} = -0.03 = -3.0\%.\nA negative churn rate indicates growth.

Question 15

A company sells a product for $100 and sells 1,000 units per month. To boost sales, management lowers the price to $90. As a result, sales volume increases to 1,200 units per month. What was the percentage change in total monthly revenue resulting from this price change?

  1. An 8% increase (correct answer)
  2. A 10% decrease
  3. A 20% increase
  4. An 8.8% increase
Explanation: This is a multi-step problem requiring calculation of revenue before and after the price change, followed by the percentage change calculation.\n\n1. Calculate Original Revenue: \100/\text{unit} \times 1,000 \text{ units} = $100,000.\n2.∗∗CalculateNewRevenue∗∗:.\n2. **Calculate New Revenue**: $90/\text{unit} \times 1,200 \text{ units} = $108,000.\n3.∗∗CalculatePercentageChangeinRevenue∗∗:.\n3. **Calculate Percentage Change in Revenue**: \frac{\text{New Revenue} - \text{Original Revenue}}{\text{Original Revenue}} = \frac{$108,000 - $100,000}{$100,000} = \frac{$8,000}{$100,000} = 0.08 = 8%$. \nSince the new revenue is higher, it is an 8% increase.

Question 16

An e-commerce company spent $15,000 on marketing in Q1 and acquired 1,000 new customers. In Q2, it increased its marketing spend to $24,000 and acquired 1,200 new customers. What was the percentage change in the company's Customer Acquisition Cost (CAC) from Q1 to Q2?

  1. A 25% decrease
  2. A 20% increase
  3. A 33.3% increase (correct answer)
  4. A 60% increase
Explanation: This is a multi-step calculation. First, calculate the CAC for each quarter. Then, calculate the percentage change between the two values.\n\n1. Calculate Q1 CAC: \frac{\15,000}{1,000 \text{ customers}} = $15 \text{ per customer}\n2.∗∗CalculateQ2CAC∗∗:\n2. **Calculate Q2 CAC**: \frac{$24,000}{1,200 \text{ customers}} = $20 \text{ per customer}\n3.∗∗CalculatePercentageChange∗∗:\n3. **Calculate Percentage Change**: \frac{\text{New Value} - \text{Old Value}}{\text{Old Value}} = \frac{$20 - $15}{$15} = \frac{$5}{$15} = \frac{1}{3} \approx 33.3%$. \nSince the value increased, it is a 33.3% increase.

Question 17

Website analytics for a homepage show 10,000 total sessions. Of these, 3,500 sessions involved a user leaving the site after viewing only the homepage. The total number of pageviews across all sessions was 40,000. What is the bounce rate for the homepage?

  1. 8.75%
  2. 35.0% (correct answer)
  3. 65.0%
  4. 25.0%
Explanation: Bounce rate is the percentage of single-page sessions (i.e., sessions in which the person left your site from the entrance page without interacting with the page). The total pageviews figure is extraneous information designed to be a distractor.\n\nFormula: Bounce Rate = Single-Page SessionsTotal Sessions×100%\frac{\text{Single-Page Sessions}}{\text{Total Sessions}} \times 100\%\n\nCalculation: 3,50010,000×100%=0.35×100%=35.0%\frac{3,500}{10,000} \times 100\% = 0.35 \times 100\% = 35.0\%.

Question 18

A website receives 20,000 visitors per month from organic search and 5,000 visitors from paid advertising. The conversion rate for organic traffic is 5%, and the conversion rate for paid traffic is 3%. What is the website's overall conversion rate for the month?

  1. 3.5%
  2. 4.0%
  3. 4.6% (correct answer)
  4. 8.0%
Explanation: To find the overall conversion rate, you must calculate the total number of conversions and divide by the total number of visitors. You cannot simply average the individual conversion rates because the visitor counts for each channel are different.\n\n1. Calculate organic conversions: 20,000 visitors×5%=1,000 conversions20,000 \text{ visitors} \times 5\% = 1,000 \text{ conversions}\n2. Calculate paid conversions: 5,000 visitors×3%=150 conversions5,000 \text{ visitors} \times 3\% = 150 \text{ conversions}\n3. Calculate total visitors: 20,000+5,000=25,000 visitors20,000 + 5,000 = 25,000 \text{ visitors}\n4. Calculate total conversions: 1,000+150=1,150 conversions1,000 + 150 = 1,150 \text{ conversions}\n5. Calculate overall conversion rate: 1,150 conversions25,000 visitors=0.046=4.6%\frac{1,150 \text{ conversions}}{25,000 \text{ visitors}} = 0.046 = 4.6\%

Question 19

A company manager observes that the ratio of Customer Lifetime Value to Customer Acquisition Cost (LTV/CAC) is 4:1, which is considered healthy. However, the monthly customer churn rate is 5%. The manager is considering a proposal to significantly increase marketing spend to accelerate growth. Which of the following metrics is most critical to evaluate before approving the increased spend?

  1. CAC Payback Period (correct answer)
  2. Gross Margin Percentage
  3. Click-Through Rate (CTR) on ads
  4. Revenue per employee
Explanation: While a 4:1 LTV/CAC ratio is good, a 5% monthly churn rate is very high (implying an average customer lifetime of only 20 months). This combination suggests that while profitable over their lifetime, customers leave quickly. The most critical metric for a growth decision is the CAC Payback Period. If it takes, for example, 18 months to pay back the CAC, the company risks a severe cash flow problem by spending heavily to acquire customers who may churn before becoming profitable. The payback period directly addresses the cash flow implications of the growth strategy.

Question 20

A digital marketing campaign cost $10,000 and generated $50,000 in revenue directly attributable to the campaign. What was the Return on Ad Spend (ROAS) for this campaign?

  1. 0.2 or 20%
  2. 4.0 or 400%
  3. 5.0 or 500% (correct answer)
  4. The profit margin cannot be determined.
Explanation: Return on Ad Spend (ROAS) is a ratio that measures the gross revenue generated for every dollar spent on advertising.\n\nFormula: ROAS = Revenue from Ad CampaignCost of Ad Campaign\frac{\text{Revenue from Ad Campaign}}{\text{Cost of Ad Campaign}}\n\nCalculation: \frac{\50,000}{$10,000} = 5.0$. This can also be expressed as 500% or a 5:1 ratio.