Math 1, Unit 4 Exam

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

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

• True
• False

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

How many students scored 94%?

• 2

• 5

• 9

• 12

How many students scored between 90 and 95%? (Including 90 and 95%)

• 11

• 15

• 12

• 13

Which interval has the greatest number of employees?

• 11-21
• 33-43
• 77-87
• 44-54

How many students scored between a 86 and a 90?

• 1
• 3
• 6
• 10

Shape?

• Skewed right
• Skewed left
• Symmetric
• Unimodal

What is the shape of this bar graph?

• Skew right

• Skew left

• Symmetrical

• uniform