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Working with Data & Statistics: Help and Review Chapter Exam

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!

Page 1

Question 1 1. What is a straight line that attempts to predict the relationship between two points, also known as a trend line or line of best fit?

Question 2 2.

Find the variance for the following data set:

16, 20, 14, 24, 16, 19, 30, and 8

Question 3 3. What is the best way to figure out how two quantitative variables are related?

Question 4 4. Using the table below, determine the relative win frequency for the Lions rounded to the closest whole percent.

Question 5 5. 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?

Page 2

Question 6 6. This graph shows the number of rabbits a breeder has each month. In which month did the breeder have 40 rabbits?

Question 7 7.

Find the range for one standard deviation in the following data set:

16, 20, 14, 24, 16, 19, 30, and 8

Question 8 8. Based on this histogram, how many people scored less than or equal to 80?

Question 9 9.

Find the standard deviation for the following data set:

101, 106, 125, 142, 78, and 109

Question 10 10. Which of the following answers is an example of continuous data?

Page 3

Question 11 11. During the first four Summer Olympic games attended by the United States, these medal counts were awarded. If there is an outlier, identify it from the number of medals won during these Olympic Games.

Question 12 12. During the first four Summer Olympic games attended by the United States, these medal counts were awarded. Calculate the mode number of medals won during these Olympic Games.

Question 13 13. How many quantitative variables does this graph show?

Question 14 14. You just took a survey asking people about their favorite class in school. After getting all the answers, you found that 10 people love English, 2 people love math, 3 people love history, and 12 love science. Please put this information in table form.

Question 15 15.

Find the interquartile range for the following data set:

7, 9, 13, 4, 18, 3, 9, 10, 15, 8, 2, 6, 9

Page 4

Question 16 16. What is the relative frequency of losses for the Bears rounded to the closest whole percent?

Question 17 17. How are these two quantitative variables related?

Question 18 18.

Find the standard deviation for the following data set:

16, 20, 14, 24, 16, 19, 30, and 8

Question 19 19. Select the statement that represents discrete quantitative data.

Question 20 20. How many children and teens eat bananas?

Page 5

Question 21 21. What is the relationship?

Question 22 22. This graph shows the number of rabbits a breeder has at the beginning of each month of the year. How many rabbits did the breeder begin with during the year shown?

Question 23 23. How many people surveyed favored football or baseball?

Question 24 24. Estimate what will happen when you have three birds.

Question 25 25. Which of the following is an example of a piece of categorical data?

Page 6

Question 26 26. Using this chart, determine the percent increase of bus riders.

Question 27 27. What is a group of values and/or means that divide a data set into quarters, or groups of four?

Question 28 28. During the first four Summer Olympic games attended by the United States, these medal counts were awarded. Calculate the mean number of medals won during these Olympic Games. (Round it to the nearest whole number.)

Question 29 29.

Find the range for one standard deviation in the following data set:

101, 106, 125, 142, 78, and 109

Question 30 30. How many teens would not pick chocolate?

Working with Data & Statistics: Help and Review 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!

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