Praxis Elem. Ed- Math(5003) Chpt 12 - Statistical Concepts Quiz Questions

19. What is the range of the data set below? 3, 7, 9, 11, 11, 11, 15, 17, 18, 24 21 24 12.6 11

21

3. 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. 192 47 219 200

219

1. 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. 47 There is no outlier. 20 239

239

20. What is the variance of the data set below? 3, 7, 9, 11, 11, 11, 15, 17, 18, 24 32.84 5.73 12.6 21

32.84

2. 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. 239 219 47 88.25

47

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. no mode 239 47 88.25

47

23. Find the maximum in the data set: 27, 26, 33, 45, 38, 38, 58, 54, 19, 22, 31 38 27 45 58 54

58

22. What is the minimum in the data set? 105, 88, 93, 102, 97, 93, 96, 86, 88, 82, 79, 85, 77, 94, 91, 87 27 77 28 10 58

77

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.) 353 88 47 28.5

88

6. A statistical question is what kind of question? A question that has more than one answer that changes depending on the situation. None of these. A question that has just one answer that doesn't change. A question that does not require statistics to answer. All of these.

A question that has more than one answer that changes depending on the situation.

9. A non-statistical question is what kind of question? A question with more than one answer that changes. A question that uses statistics to answer. A question with just one answer that doesn't change. None of these. All of these.

A question with just one answer that doesn't change.

11. What is a single number that summarizes an entire data set? Outlier Center of data Mean Median Range

Center of data

8. Which of the following is a statistical question? Harry spends on average how many minutes on homework each night? Harry finished how many math problems last night? Harry had homework from how many classes last night? All of these. None of these.

Harry spends on average how many minutes on homework each night?

10. Which of the following is a statistical question? Rabbit Earl weighs how much? How many rabbits are born each year? All of these. The animal shelter charges how much to adopt a rabbit? None of these.

How many rabbits are born each year?

17. What is the difference between the upper quartile value and the lower quartile value? Median Variance Interquartile range Range

Interquartile range

21. What is the largest mathematical value in a data set? Outlier Maximum Minimum Median Range

Maximum

14. What is the sum of the numbers in a data set divided by the total number of values in the data set? Median Mean Outlier Range Center of data

Mean

12. For the following data set, select the best method for summarizing the data. 3, 3, 4, 5, 2, 9, 5, 2, 3, 4 Range Median Outlier Mode Mean

Median

15. What is the midpoint value of a data set, where the values are arranged in ascending or descending order? Mean Outlier Mode Center of data Median

Median

24. What is the smallest mathematical value in a data set? Minimum Outlier Maximum Mean Range

Minimum

13. What do we call a value that is much smaller or larger than the other values in a data set? Center of data Mean Range Median Outlier

Outlier

25. 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? Maximum Outlier Range Mode Minimum

Outlier

7. Which of these is a non-statistical question? None of these. Sally sells how many pumpkin pies on average? All of these. Sally bakes on average how many pumpkin pies per day? Sally charges how much for a slice of pumpkin pie?

Sally charges how much for a slice of pumpkin pie?

18. What is the measure of how far the numbers in a data set are away from the mean or the median? Normal distribution Measure of central tendency Linear transformation Spread in data

Spread in data

16. What are three methods you can use to find the spread in data? Mean, median, and mode Quartiles, percentiles, and mode Variance, mean, and standard deviation Variance, range, and interquartile range

Variance, range, and interquartile range