# TExES Core Subjects EC-6: Summarizing Data Chapter Exam

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#### Question 1 1. What is a graphical representation of the distribution of data?

#### Question 2 2. 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 3 3. If a data set has two different modes, then what is it?

#### Question 4 4. 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 5 5. 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.

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Question 6
6.
What is the minimum in the data set?

105, 88, 93, 102, 97, 93, 96, 86, 88, 82, 79, 85, 77, 94, 91, 87

#### Question 7 7. When a data set is visually symmetrical, what occurs all at the same point?

#### Question 8 8. What do we call areas in a data set where no observations have been made?

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Question 9
9.
Find the first quartile for the following data set:

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

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

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#### Question 11 11. What is a group of values and/or means that divide a data set into quarters, or groups of four?

#### Question 12 12. When a data set has a single mode, it is known to have what type of distribution?

#### Question 13 13. What is the largest mathematical value in a data set?

#### Question 14 14. Brown school has decided to review their ratio of girls to boys in the Second grade class. They decided to count the number of boys in Second grade. This is an example of what type of data?

#### Question 15 15. What is the measure of how far the numbers in a data set are away from the mean or the median?

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#### Question 16 16. What is the difference between the upper quartile value and the lower quartile value?

#### Question 17 17. What is a type of random sampling where the variables have an equal, and unsystematic, chance of selection?

#### Question 18 18. Which of the following answers is an example of continuous data?

#### Question 19 19. A researcher is studying a population, and decides to use simple random sampling. Why might they have made this decision?

####
Question 20
20.
What is the range of the data set below?

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

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#### Question 21 21. When a data set has two different modes, it is known as what type of distribution?

#### Question 22 22. 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 23 23. 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 24 24. Which of the following answers is an example of discrete data?

#### Question 25 25. Which of the following terms best describes the distribution in the chart below?

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#### Question 26 26. Which of the following statements is NOT quantitative data?

#### Question 27 27. A graph that peaks to the left or the right of the center is known as _____.

#### Question 28 28. Select the statement that represents discrete quantitative data.

#### Question 29 29. A statistician makes a graph, which includes a shape that's almost mirrored perfectly across a line, but not quite. How should we describe the shape?

#### Question 30 30. What is the name for all the members of a specified group?

#### TExES Core Subjects EC-6: Summarizing Data 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!