One-Variable Statistics

The median is

• The middle score

•  Scores added & divided by the number of scores

• The most frequent score

• The middle when in order

This histogram is...

• Skewed Left

• Skewed Right

• Uniform

• Symmetric

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

The two measures of center we've study this unit are...

• Interquartile Range

• Mean Absolute Deviation

• Mean

• Median

• Standard Deviation

The mean gets pulled away from the center of data or the typical value when the data is skewed to the right or left.

• True

• False

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

• True

• False

The total number of data values in this histogram is...

• 11

• 7

• 4

• 15

• 25

Which city, Nashville or Dallas, has the smallest minimum temperature?

• Nashville

• Dallas