ACCUPLACER Quantitative Reasoning, Algebra & Statistics Quiz: Data Trends And Associations

What this quiz covers

This quiz focuses on Data Trends And Associations, giving you a quick way to practice the rules, question types, and explanations that matter most for ACCUPLACER Quantitative Reasoning, Algebra & 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.

Question 1

1. A positive association
2. A purely causal association
3. No association
4. A negative association (correct answer)

Question 2

1. There is a strong positive association.
2. There is a weak negative association.
3. The relationship is causal but not associative.
4. There is no apparent association. (correct answer)

Question 3

1. There is a positive association between library density and literacy rate. (correct answer)
2. Building more libraries will cause an increase in a neighborhood's literacy rate.
3. Neighborhoods with low literacy rates must also have very few libraries.
4. The number of libraries and the literacy rate are not related to each other.

Question 4

1. The 3-year-old car will likely have a higher resale value than the 5-year-old car. (correct answer)
2. The 5-year-old car will have a higher resale value than the 3-year-old car.
3. Both cars will have exactly the same resale value.
4. The resale value of the 3-year-old car will be exactly 40% higher.

Question 5

1. There is a negative association between the quiz number and the score.
2. There is a positive association between the quiz number and the score. (correct answer)
3. There is no association between the quiz number and the score.
4. The average score is 78.2, which is the most important trend in the data.

Question 6

1. People who are inherently happier may find it easier to make and keep friends. (correct answer)
2. This observed association must be purely coincidental and means nothing.
3. The relationship must be negative; the study's data is flawed.
4. The only possible conclusion is that having more friends causes happiness.

Question 7

1. Every student who increased their homework time by one hour saw their GPA increase.
2. Students who spend more time on homework tend to have higher GPAs. (correct answer)
3. Spending more time on homework directly causes a student's GPA to increase.
4. Any student who does not do at least one hour of homework will have a low GPA.

Question 8

1. Eating breakfast causes a person to have or maintain a lower body weight.
2. There is an observed association between the habit of eating breakfast and lower body weight. (correct answer)
3. All people who eat breakfast have a lower body weight than all people who skip it.
4. There is no actual relationship between dietary habits and a person's body weight.

Question 9

1. There is a positive association, but no causal link can be inferred from this study.
2. The evidence suggests that the new fertilizer causes an increase in crop yield. (correct answer)
3. There is no clear association between the type of fertilizer and the crop yield.
4. The soil quality was likely the cause for the difference in crop yields.

Question 10

1. The association is negative, not positive, because illness is a negative outcome.
2. An unobserved variable, such as high temperatures, is likely causing both to increase. (correct answer)
3. The data only shows an association, and an association can never suggest a cause.
4. The sample size of residents was likely too small to draw a valid conclusion.

Question 11

1. Watching television causes a person to exercise less.
2. As television watching increases, time spent exercising also tends to increase.
3. People who watch more television tend to be the same people who exercise less. (correct answer)
4. If a person stops watching television, they will certainly start exercising more.

Question 12

1. The association is negative, so building parks would lower property values.
2. Property values and parks are unrelated, so the observation must be incorrect.
3. An increase in property values is the cause of more parks being built, not the other way around.
4. A third factor, like neighborhood wealth, could be causing both more parks and higher property values. (correct answer)

Question 13

1. A positive linear association
2. A negative linear association
3. A non-linear association (correct answer)
4. No association

Question 14

1. There is a negative association between interest rates and home sales. (correct answer)
2. There is a positive association between interest rates and home sales.
3. There is no clear association between interest rates and home sales.
4. High interest rates are the only factor that determines home sales.

Question 15

1. The median exam score was 75.
2. The median number of missed assignments was 3.
3. Students who missed more assignments generally scored lower. (correct answer)
4. The relationship between scores and missed assignments is positive.

Question 16

1. A strong negative association
2. A weak positive association
3. A non-linear association
4. A strong positive association (correct answer)

Question 17

1. The child will be approximately three times as tall as they were at age 8.
2. The trend observed between ages 2 and 10 is likely to continue at the same rate.
3. The child's height at age 25 cannot be reliably predicted from this data. (correct answer)
4. The association between age and height will become negative after age 20.

Question 18

1. There is a strong negative association.
2. There is a strong positive association.
3. There is likely no association. (correct answer)
4. There is a non-linear association.

Question 19

1. The association is linear and positive.
2. The association is linear and negative.
3. The association is non-linear. (correct answer)
4. There is no association.

Question 20

1. A strong negative association
2. A weak negative association (correct answer)
3. A weak positive association
4. No association