# Question

Multiple choice questions:

1. The value of the middle term in a ranked data set is called the

a. Mean

b. Median

c. Mode

2. Which of the following summary measures is/are influenced by extreme values?

a. Mean

b. Median

c. Mode

d. Range

3. Which of the following summary measures can be calculated for qualitative data?

a. Mean

b. Median

c. Mode

4. Which of the following can have more than one value?

a. Mean

b. Median

c. Mode

5. Which of the following is obtained by taking the difference between the largest and the smallest values of a data set?

a. Variance

b. Range

c. Mean

6. Which of the following is the mean of the squared deviations of x values from the mean?

a. Standard deviation

b. Population variance

c. Sample variance

7. The values of the variance and standard deviation are

a. Never negative

b. Always positive

c. Never zero

8. A summary measure calculated for the population data is called

a. A population parameter

b. A sample statistic

c. An outlier

9. A summary measure calculated for the sample data is called a

a. Population parameter

b. Sample statistic

c. Box-and-whisker plot

10. Chebyshev’s theorem can be applied to

a. Any distribution

b. Bell-shaped distributions only

c. Skewed distributions only

11. The empirical rule can be applied to

a. Any distribution

b. Bell-shaped distributions only

c. Skewed distributions only

12. The first quartile is a value in a ranked data set such that about

a. 75% of the values are smaller and about 25% are larger than this value

b. 50% of the values are smaller and about 50% are larger than this value

c. 25% of the values are smaller and about 75% are larger than this value

13. The third quartile is a value in a ranked data set such that about

a. 75% of the values are smaller and about 25% are larger than this value

b. 50% of the values are smaller and about 50% are larger than this value

c. 25% of the values are smaller and about 75% are larger than this value

14. The 75th percentile is a value in a ranked data set such that about

a. 75% of the values are smaller and about 25% are larger than this value

b. 25% of the values are smaller and about 75% are larger than this value

1. The value of the middle term in a ranked data set is called the

a. Mean

b. Median

c. Mode

2. Which of the following summary measures is/are influenced by extreme values?

a. Mean

b. Median

c. Mode

d. Range

3. Which of the following summary measures can be calculated for qualitative data?

a. Mean

b. Median

c. Mode

4. Which of the following can have more than one value?

a. Mean

b. Median

c. Mode

5. Which of the following is obtained by taking the difference between the largest and the smallest values of a data set?

a. Variance

b. Range

c. Mean

6. Which of the following is the mean of the squared deviations of x values from the mean?

a. Standard deviation

b. Population variance

c. Sample variance

7. The values of the variance and standard deviation are

a. Never negative

b. Always positive

c. Never zero

8. A summary measure calculated for the population data is called

a. A population parameter

b. A sample statistic

c. An outlier

9. A summary measure calculated for the sample data is called a

a. Population parameter

b. Sample statistic

c. Box-and-whisker plot

10. Chebyshev’s theorem can be applied to

a. Any distribution

b. Bell-shaped distributions only

c. Skewed distributions only

11. The empirical rule can be applied to

a. Any distribution

b. Bell-shaped distributions only

c. Skewed distributions only

12. The first quartile is a value in a ranked data set such that about

a. 75% of the values are smaller and about 25% are larger than this value

b. 50% of the values are smaller and about 50% are larger than this value

c. 25% of the values are smaller and about 75% are larger than this value

13. The third quartile is a value in a ranked data set such that about

a. 75% of the values are smaller and about 25% are larger than this value

b. 50% of the values are smaller and about 50% are larger than this value

c. 25% of the values are smaller and about 75% are larger than this value

14. The 75th percentile is a value in a ranked data set such that about

a. 75% of the values are smaller and about 25% are larger than this value

b. 25% of the values are smaller and about 75% are larger than this value

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