Choosing Measures of Center

Consider the distribution type of this graph, which Measure of Center would fit it best?

• Mean

• Median

Given the dot plot's shape, what measure of center should be used?

• Mean

• Median

• Standard Deviation

• IQR

Which measure of center should you use?

• mean

• median

Which measure of center should be used to describe the distribution?

• mean

• interquartile range

• range

• median

Consider the distribution type of this graph, which Measure of Center would fit it best?

• Mean

• Median

The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below: 
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?

• 5

• 6

• 9

• 11

The mode score on the 6th grade math test was 94! Which of these interpretations must be correct?

• 94 was the highest score on the test.

• More students received a 94 than any other score

• No student scored below a 94

• A score of 91 was slightly below average.

Given the set of data below, what would be the most meaningful measure?
1, 1, 1, 1, 1, 1, 1, 1, 1, 21

• Mean

• Median

• Mode

• Range

If you have two numbers in the middle, you should

• add them together and divide by two

• find the number in between the two

• find the mean of the two numbers

• all of these

If 10 is added to every value in a set of data, what will happen to the value of the median?

• it will increase by 10

• it will decrease by 10

• it will stay the same

• it will both increase and decrease