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Descriptive Statistics: Measurement 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.

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 2 2. 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 3 3.

Jonathan knows he scored in the 25th 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 Jonathan's test score?

Question 4 4. 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 5 5. 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.

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Question 6 6. During the first four Summer Olympic games attended by the United States, these medal counts were awarded. Calculate the median number of medals won during these Olympic Games.

Question 7 7. What is the geometric mean of 2 and 4?

Question 8 8.

Find the geometric mean.

5, 4, 9, 1, 5, 7, 8

Question 9 9. What numbers besides zero cannot be used in geometric mean calculations?

Question 10 10.

If the cell B2 is 68, what will this IF function give you as a result?

=IF (B2>60, ''pass'', ''fail'')

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Question 11 11. Which of these IF functions tells you whether an item is over $100 or not?

Question 12 12. Which of the following is the correct formula for the IF function in Excel?

Question 13 13. A decile can be calculated using what types of input data?

Question 14 14. What is the frequency distribution pattern of data that has been grouped into deciles?

Question 15 15. What does a quantile represent?

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Question 16 16.

Find the first quartile for the following data set:

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

Question 17 17. What is the difference between the upper quartile value and the lower quartile value?

Question 18 18. What is a group of values and/or means that divide a data set into quarters, or groups of four?

Question 19 19. Irene is doing her best to lose a little weight by monitoring how many calories she consumes per day. She follows a one week diet just to test things out. If she eats 1620 calories on Monday, 1510 on Tuesday, 1720 on Wednesday, 1580 on Thursday, 1650 on Friday, 1705 on Saturday and 1835 on Sunday, what is her average daily consumption?

Question 20 20. The mean of three numbers X, Y and Z equals 11.5. If X equals 12.5 and Z equals 10, what is the value of Y?

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Question 21 21. The number of completed passes for the quarterback of a football team is tracked and tabulated as shown below. How many passes did the quarterback complete on average?

Question 22 22. Which of the following is the number that you get when you add all the data up and divide by how many numbers there are?

Question 23 23. What is central tendency?

Question 24 24.

From the following data, what is the mode, mean and median?

1, 3, 5, 5, 6, 6, 7, 9, 10, 10, 10

Question 25 25. What is a measure that indicates what percent of the given population scored at or below the measure?

Page 6

Question 26 26. 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 27 27.

Find the geometric mean.

4, 4, 4

Question 28 28.

What is this IF function telling you?

=IF (C8=100, ''A+'','' '')

Question 29 29. Given a decile cut point value of 10.4, where the tenth sequential value is 32 and the eleventh value is 42, what is the actual decile value?

Question 30 30.

Find the interquartile range for the following data set:

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

Descriptive Statistics: Measurement 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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