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# TABE Math - Grade 6: Statistics & Probability 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 sum of the numbers in a data set divided by the total number of values in the data set?

#### Question 2 2. If all other statistical procedures fail, the best predictor of a score will be the _____.

#### Question 3 3. 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 4
4.
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, 8.44, 8.75, 8.44, 9.50, 9.60, 9.50

#### Question 5 5. What is the midpoint value of a data set, where the values are arranged in ascending or descending order?

### Page 2

#### Question 6 6. All of the following statements are correct, EXCEPT:

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Question 7
7.
What is the range of the data set below?

3, 7, 9, 11, 11, 11, 15, 17, 18, 24

#### Question 8 8. What is the measure of how far the numbers in a data set are away from the mean or the median?

#### Question 9 9. How far a set of numbers are spread out is known as:

#### Question 10 10. What is a single number that summarizes an entire data set?

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#### Question 11 11. What do we call a value that is much smaller or larger than the other values in a data set?

#### Question 12 12. 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 13
13.
What is the variance of the data set below?

3, 7, 9, 11, 11, 11, 15, 17, 18, 24

#### Question 14 14. Which of the following describes the best approach to finding the median of an even set of numbers?

#### Question 15 15. What is the difference between the upper quartile value and the lower quartile value?

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#### Question 16 16. Which of the following is least likely to be reported?

#### Question 17 17. 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.

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Question 18
18.
For the following data set, select the best method for summarizing the data.

3, 3, 4, 5, 2, 9, 5, 2, 3, 4

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Question 19
19.
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 20 20. A part of a population used to describe the whole group is known as:

### Page 5

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Question 21
21.
Find the sample variance of the following data set:

2, 3, 4, 7, 10, 1, 2

#### Question 22 22. If there are two modes, you should _____.

#### Question 23 23. 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 24 24. During the first four Summer Olympic games attended by the United States, these medal counts were awarded. Calculate the range number of medals won during these Olympic Games.

#### Question 25 25. All the members of a specified group are known as:

### Page 6

#### Question 26 26. The value that occurs the most frequently in a data set is known as the _____.

#### Question 27 27. A sample is usually intended to be

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Question 28
28.
The following data set represents the average number of children per family for 10 countries in 2014. Calculate the mean number of children per family.

5.8, 6.1, 1.9, 1.4, 2.6, 2.8, 1.3, 4.4, 4.4, 1.7

####
Question 29
29.
Find the population variance of the following data set:

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

#### Question 30 30. What are three methods you can use to find the spread in data?

#### TABE Math - Grade 6: Statistics & Probability 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!