Common Core: 6th Grade Math : Find Measures of Center, Variability, and Patterns in Data: CCSS.Math.Content.6.SP.B.5c

Study concepts, example questions & explanations for Common Core: 6th Grade Math

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Example Questions

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Example Question #18 : Data Analysis And Probability

In a group of 4 books, the average number of pages is is 10.  Juan adds a book with 20 pages to the group.  What is the new average number of pages?

Possible Answers:

Correct answer:

Explanation:

If the average of 4 books was 10, then the total number of pages was . Adding in the 20 new pages, but now dividing by 5 you get .

Example Question #19 : Data Analysis And Probability

Give the mean of the data set (nearest tenth, if applicable): 

Possible Answers:

Correct answer:

Explanation:

Add the six elements and divide the sum by 6:

Example Question #20 : Data Analysis And Probability

Find the mean of this set of numbers:

54, 41, 99, 120, 66.

Possible Answers:

Correct answer:

Explanation:

Firrst, add the numbers:

Then, divide by the amount of numbers in the set:

Answer: The mean is 76.

Example Question #4 : Find Measures Of Center, Variability, And Patterns In Data: Ccss.Math.Content.6.Sp.B.5c

Give the mean of the following eight scores: 

Possible Answers:

Correct answer:

Explanation:

Divide the sum of the scores by eight:

Example Question #1 : How To Find Mean

Give the mean of the following nine scores: 

Possible Answers:

Correct answer:

Explanation:

Divide the sum of the scores by nine:

Example Question #2 : How To Find Mean

Give the median of the following eight scores: 

Possible Answers:

Correct answer:

Explanation:

Arrange the scores from least to greatest.

There are an even number (eight) of scores, so the median is the arithmetic mean of the middle two scores, 72 and 73. This makes the median

Example Question #3 : How To Find Mean

The average age of 4 people is 12.  What will be the sum of their ages in 3 years?

Possible Answers:

Correct answer:

Explanation:

The current sum of their ages is .  Since all 4 people will gain 3 years in age, we have to add 12 to the current sum.

Example Question #2 : How To Find Mean

Give the mean of the following data set:

Possible Answers:

Correct answer:

Explanation:

Since there are 16 elements, divide their sum by 16 to get the mean:

Example Question #1 : How To Find Mean

Find the average of this set of numbers:

521, 834, 754, 902, 899

Possible Answers:

Correct answer:

Explanation:

First, add all the numbers in this set:

Divide, 3910 by the total amount of numbers in the set:

Answer: The average is 782.

Example Question #11 : How To Find Mean

Find the mean in this set of numbers:

5570, 4886, 5226, 4120, 6561, 4120, 6008

Possible Answers:

Correct answer:

Explanation:

First, add all the numbers in this set:

Then, divide that amount by the total number in the set:

 

Answer: The mean is 5213.

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