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# Understanding Descriptive Statistics Chapter Exam

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

### Page 1

#### Question 1 1. What is the term for data that is grouped by type or object, not by numbers?

#### Question 2 2. Use the Venn Diagram. Which of the following is ∈ A?

#### Question 3 3. How many more cars were sold on Friday than Thursday?

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Question 4
4.
Susanne has a set of data she is using to create a histogram. If the set of numbers below is her data set, then which number in the data set will create the highest peak?

2, 2, 3, 5, 6, 7, 8, 6, 5, 2, 3, 4, 2, 5, 6, 2

#### Question 5 5. What is the shape of a graph that peaks to the left or the right of the center?

### Page 2

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Question 6
6.
Phyllis is also in Jonathan's psychology class. She knows she scored in the 90th percentile on his psychology test. The professor gives the students the following list of grades (without names):

51, 37, 87, 95, 99, 78, 63, 96, 68, 84, 92

Assuming that there are 11 students in the class, what was Phyllis's test score?

#### Question 7 7. How many cars were sold in all?

#### Question 8 8. Use the Venn Diagram. Which of the following is ⊆ A?

#### Question 9 9. You gathered data at a clinic and entered your results into the frequency table shown below. Which of the following is the percentage of patients you found to have schizophrenia (round to the nearest tenth if necessary)?

#### Question 10 10. Which pond had the least amount of fish caught?

### Page 3

#### Question 11 11. Histograms are very similar to what other graphical representation of numbers?

#### Question 12 12. Using the bar graph, 'Top Ten U.S. Rentals in 1999', about how much money did the movie American Pie have in revenue?

#### Question 13 13. You gathered data at a clinic and entered your results into the frequency table shown below. A research journal wants to know how many people at the clinic have either depression or anxiety. Which of the following would you report to the journal?

#### Question 14 14. Looking at the pie chart 'Who Sells The Most Fast Food?', how many sectors can be determined?

#### Question 15 15. All of the students in Jasmine's class have had their height measured. Jasmine is the 12th tallest person out of 560 students. What percentile is Jasmine's height in?

### Page 4

#### Question 16 16. _____ is a graphical display of data along a number line with Xs or dots recorded above the responses to indicate the number occurrences a response appears in the data set.

#### Question 17 17. Use the Venn Diagram.

####
Question 18
18.
What is the median in this data set for the number of cupcakes eaten per person at a cupcake eating contest?

{10, 20, 15, 10, 30, 21, 18, 12}

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Question 19
19.
What is the median of this data set?

{1, 2, 3}

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Question 20
20.
What is the mode of this data set of the number of baby rabbits born to different mother rabbits?

{6, 4, 5, 8, 6, 7, 8, 2}

### Page 5

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Question 21
21.
Select the word or phrase that best fills in the blank:

If the index is not a _____, round the number up, then count the values in the data set from least to greatest until you reach the index.

#### Question 22 22. Use the Venn Diagram.

#### Question 23 23. A sample is usually intended to be

#### Question 24 24. Use the Venn Diagram.

#### Question 25 25. Which of the following best describes a frequency distribution?

### Page 6

#### Question 26 26. The Bar Graph, 'Top Ten U.S Rentals in 1999', shows the top ten movies in the U.S during the year. Which movie had about 150 million in rentals?

#### Question 27 27. A dot plot is a visual representation of data using intervals or categories of variables, with each dot representing _____.

#### Question 28 28. Which order do data sets need to be in before you can find the mean, median, and mode?

#### Question 29 29. Mr. Haley's class created this line plot to show how many candy bars each student likes. How many students like three candy bars?

#### Question 30 30. Using the bar graph 'Top Ten U.S. Rentals in 1999', which movie had the 2nd highest movie rental revenue?

#### Understanding Descriptive Statistics Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!