Data and Statistics Math

If you score 76, 85, 97, and 83 on your math tests, what would your median score be? 

• 84

• 90

• 85

• 88

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

• 2

• The minimum

• The maximum

• The number of items

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

Use the line plot to determine the weight of ALL the diamonds.

• 5 ½

• 5 ¾

• 4 ¾

• 2 ¾

Describes a distribution of data that is distorted or non-symmetrical when graphed. The data appears shifted to the left or to the right.

• Approximately Symmetrical

• Uniform

• Skewed

• Symmetrical

Describes a distribution of data in which the two "halves" appear as mirror-images of one another when graphed.

• Symmetrical Data

• Skewed Data

• Uniform Data

• Approximately Symmetrical

What is the mean of the following set of numbers: 4, 8, 12, 16, 20?

Mathematical Equivalence

ON

• A
• B
• C
• D

The mean of this data set is 17.8. What would happen to the mean if 40 was added to the data set?

• The mean would not change

• The mean would go up

• The mean would go down

Which class has the higher median?

• 1st period

• 2nd period

• They have the same median