Mat 143 Statistics

In order to find the median, the data must be sorted from least to greatest first.

• True

• False

What is the median?

• biggest- smallest

• average

• the middle #

• # that happens the most

What is the median of this data?
0, 2, 4, 6, 8, 9

• 5

• 4

• 6

• 4.5

Which interval shows the greatest number of pets?

• 15-19

• 0-4

• 5-9

• 10-14

In the last 5 games, Kevin Durant scored 22, 22, 18, 12, and 21 points. What is Durant's Mean (Average) score per game?

•  19 points per game

• 95 points per game

• 18.6 points per game

• 22 points per game

At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the mode.

12,10,10,10,13,12,11,13,10

• 13

• 12

• 11

• 10

What is the IQR of the following Data Set:

32, 35, 35, 36, 39, 40, 44, 48, 49

• Q1: 35

  Q2: 39

  Q3: 46

  IQR: 46 - 35 = 11

• Q1: 35

  Q2: 39

  Q3: 44

  IQR: 44 - 35 = 9

• Q1: 35

  Q2: 39

  Q3: 48

  IQR: 48 - 35 = 13

• Q1: 35

  Q2: 39

  Q3: 46

  IQR: 39 - 35 = 4

The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below: 
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?

• 5

• 6

• 9

• 11

The number of miles that Jenna cycled each week for a 7-week period is shown: 
36, 42, 28, 52, 48, 36, 31 
What is the median number of miles Jenna cycled?

• 24

• 36

• 39

• 52

To find the average of a set of numbers, add up all the items and divide by...

• 2

• The minimum

• The maximum

• The number of items