Statistics One Variable

This histogram is...

• Skewed Left

• Skewed Right

• Uniform

• Symmetric

Find the median of these numbers:
4, 2, 7, 4, 3

• 2

• 5

• 7

• 4

What is the maximum value?

• 3

• 8

• 10

• 18

How many people watched more than 6 hours of TV?

• 10

• 5

• 20

• 17

How many of the students had an ACT composite score of exactly 25?

• Cannot be determined

• 6

• 7

• 9

If our data set is skewed to the right or left we would measure the center by calculating the...

• Mode

• Mean

• Median

• Range

If we use the mean to measure the typical value or center of the data, we would use the _________ to measure the variability.

• IQR

• Median

• Mean

• Standard Deviation

If we use the median to measure the typical value or center of the data, we would use the _________ to measure the variability.

• Mode

• MAD

• Standard Deviation

• IQR or Interquartile Range

A box plot divides the data into quarters or 25% increments.

• True

• False