Mode, Median and Range of a Data Set

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

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

Find the range and median.

• Range: 72 and Median: 85

• Range: 72 and Median: 87

• Range: 70 and Median: 87

• Range: 70 and Median 85

Find the mode and the median.

• Mode: 24 and Median: 17

• Mode: 24 and Median: 16

• Mode: 24.5 and Median: 17

• Mode: 24.5 and Median: 21

What is the range of this data set?

• 8

• 7

• 6

• 5

What is the median of this data set?

9, 7, 9, 7, 3, 5, 9

• 9

• 3

• 4

• 7

What is the mode of this data set?

8, 6, 2, 8, 6, 6, 8, 6, 4

• 4

• 6

• 3

• 8

What is the mode?

• 1

• 2

• 3

• 7