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Statistics Overview 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. Using this chart, determine the percent increase of bus riders.

Question 2 2. What are a sequence of equally distributed variables?

Question 3 3.

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 4 4.

Find the population variance of the following data set:

11, 12, 55, 4, 17, 13, 19

Question 5 5. What is a chart that shows the popularity or mode of a certain type of data based on the population sampled?

Page 2

Question 6 6. What is this type of chart?

Question 7 7. A part of a population used to describe the whole group is known as:

Question 8 8.

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

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

Question 9 9. Can you identify this chart?

Question 10 10. What is the smallest mathematical value in a data set?

Page 3

Question 11 11. What is a measure that indicates what percent of the given population scored at or below the measure?

Question 12 12. 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 13 13. Using the following table, determine the percent increase in people who ride their bike to work.

Question 14 14. 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?

Question 15 15. What are two examples of inferential statistics?

Page 4

Question 16 16. If we're looking at a table where the last column contains decimal numbers between 0 and 1, what type of table are we looking at?

Question 17 17. What is the relative frequency of losses for the Bears rounded to the closest whole percent?

Question 18 18. What is the difference between the upper quartile value and the lower quartile value?

Question 19 19.

Find the interquartile range for the following data set:

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

Question 20 20. If you have a data set, and you need to look at what numbers in the population fall below a certain value, what is a visual representation you can create to help analyze the data?

Page 5

Question 21 21. A _____ is a part of a population used to describe the whole group.

Question 22 22.

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

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

Question 23 23.

Find the second quartile, or the median, for the following data set:

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

Question 24 24.

The following data set represents the average annual temperatures for 10 European countries in 2016 (Celsius). Calculate the range.

1.75, 9.8, 7.55, 10.55, 5.8, 9.45, 19.2, 18.45, 16.2, 5.8

Question 25 25. What is a graphical representation of the distribution of data?

Page 6

Question 26 26.

The following data set represents the minimum wage for 1990-2000. Calculate the median. (As this is money, round to two decimal places.)

8.25, 9.80, 7.25, 7.25, 7.25, 8.75, 8.44, 9.50, 9.60, 9.50

Question 27 27. In statistics, a sample:

Question 28 28. What is a value that is much larger or smaller than the other values in a data set, or a value that lies outside the given data set?

Question 29 29.

Find the standard deviation for the following data set:

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

Question 30 30. What can we show using a histogram?

Statistics Overview 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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