Mean Median Mode and Range Outlier

Numbers that are used to describe the center of a set of data.  These measures include the mean, median, and mode.

• Interquartile Range

• Measure of Variation

• Measure of Center

• Interval

The prices at several different stores for a pair of shoes are shown below.
$78, $79, $81, $82, $83
Two days later, another store has the same shoes on sale for $65. How does the new price affect the data?

• Only the range was affected.

• The median increased, and the range increased.

• The mean increased, and the range increased.

• The mean decreased and the range increased.

A data set is shown below.
56, 64, 73, 59, 98, 65, 59
If the outlier is removed from the data set, which measure of central tendency will be least affected?

• range

• mode

• median

• mean

A bowler had the following scores after 5 games:
 196, 205, 197, 280, and 202.
How much does the bowler’s mean score increase if the outlier is considered, compared to if the outlier is not considered?

• 13

• 16

• 19

• 22

How many modes can you have in a data set?

• Zero

• One

• Two

• All the above

The median of the upper half of a data set. Also called the upper quartile.

• first quartile

• second quartile

• third quartile

• median

What is the MEDIAN of the given data?

• 24.9

• 8.8

• 24.57

• 24

What is the MODE of the given data?

• 47

• 83

• 83 and 47

• No mode

The mean is

• The middle score

•  Total & divided by number of scores

• The most frequent score

• The middle when in order

The median is

• The middle score

•  Scores added & divided by the number of scores

• The most frequent score

• The middle when in order