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VIP Practice Exercise: Measures of Central Tendency

This is the practice exercise for the Measures of Central Tendency video lesson.

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Question 1 of 13

What are measures of central tendency?  

A

Values that tend to represent the center of a distribution

B

Values that represent the spread of a distribution

C

Values that represent the range of a distribution

D

Values that represent the accuracy of a distribution

Question 2 of 13

What are examples of measures of central tendency?  

A

mean, mode, standard deviation

B

range, standard deviation, variance

C

mean, median, and range

D

mean, median, and mode

Question 3 of 13

What is the most commonly used measure of central tendency?

A

mode

B

mean

C

range

D

median

Question 4 of 13

Which measure of central tendency represents the value that occurs most frequently in a distribution?

A

mode

B

mean

C

range

D

median

Question 5 of 13

Which measure of central tendency represents the 50% percentile of a distribution?

A

mean

B

range

C

mode

D

median

Question 6 of 13

Which measure of central tendency represents the sum of all values divided by the total number of values  in a distribution?

A

range

B

mode

C

mean

D

median

Question 7 of 13

Which measure of central tendency is most effected by extreme values?

A

mean

B

range

C

mode

D

median

Question 8 of 13

Which measure of central tendency is least effected by extreme values?

A

mean

B

range

C

mode

D

median

Question 9 of 13

Which measure of central tendency is used as an estimate for this same measure of central tendency in the population?

A

range

B

mean

C

mode

D

median

Question 10 of 13

Why is the mean so important in quantitative research?

A

It helps us summarize our sample data down to one value

B

It is used as an estimate of the population mean

C

The mean is the only measure of central tendency that is calculated using every value of the distribution

D

All of the above

Question 11 of 13

Sample Distribution:  1 2 2 2 4 4 6

Using the sample distribution above, which value best represents the mean?  

A

2

B

3

C

2.5

D

4

Question 12 of 13

Sample Distribution:  1 2 2 2 4 4 6

Using the sample distribution above, which value best represents the median?  

A

2

B

2.5

C

3

D

4

Question 13 of 13

Sample Distribution:  1 2 2 2 4 4 6

Using the sample distribution above, which value best represents the mode?  

A

3

B

2.5

C

4

D

2

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