Mean and Median and Iqr

How do you calculate the IQR?

• Q2 - Q1

• Q1 - Q3

• Q3 - Q2

• Q3 - Q1

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

• IQR

• mean

• range

• mode

What is the mean absolute deviation of the data?

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

• 0

• 44

• 10

• 9

What is the IQR for the data?

• 7

• 30

• 37

• 33

If you would use the median, then pick _______.

• MAD

• IQR

If you would use the mean, then pick ______.

• MAD

• IQR

If the data is symmetric, choose the _______ for the best measure of center.

• mean

• median

• mode

If the data is skewed left, choose the _______ for the best measure of center.

• mean

• median

• mode

If the data set is skewed right, choose the _______ for measure of center.

• mean

• median

• mode

If your data does not have an outlier, choose the _______ for the best measure of center.

• mean

• median

• mode