Numerical Summaries of Data

What are all the modes of the data set?

3, 9, 6, 9, 3, 10, 0, 5, 11

• no modes

• 6

• 3 and 9

• 3

Which measures are not part of the five number summary? Select all that apply.

• mean

• Q1

• median

• IQR

Which of the following is a measure of variation? Select all that apply.

• IQR

• mean

• range

• mode

Which of the following are measures of center? Select all that apply.

• range

• mean

• median

• mode

The difference between the highest and lowest data value is known as the

• range

• mean

• median

• mode

What is the median weekly earnings of the data set below?

$88, $104, $96, $112, $132, $92, $100, $116

• $105

• $116

• $102

• $100

What is the mean absolute deviation of the data?

45, 52, 31, 27, 38, 60, 44, 55

• 0

• 44

• 10

• 9

What is the mode of the dot plot?

• 9

• 1

• 5

• 0, 1, and 2

What is the IQR for the data?

• 7

• 30

• 37

• 33

If you would use the median, then pick _______.

• MAD

• IQR