Mean, Median, Mode, Range

Ervin bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Ervin's scores?

• 193

• 127

• 60

• 66

The scores awarded to 25 students for an assignment were as follows:

4 7 5 9 8 6 7 7 8 5 6 9 8 5 8 7 4 7 3 6 8 9 7 6 9

What is the mode?

• 6

• 7

• 8

• 9

Find the median of these numbers:
4,2,7,4,3

• 2
• 5
• 7
• 4

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

• True
• False

What is the range?

• average

• biggest minus smallest

• the middle #

• # happening the most

What is the mean?

• # happening the most
• the number in the middle
• biggest-smallest
• the average

What is the median?

• biggest- smallest
• average
• the middle #
• # that happens the most

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

• 2.
• The smallest number
• The largest number
• The number of items in the set.

The mode score on the 6th grade math test was 94! Which of these interpretations must be correct?

• 99 was the highest score on the test.
• More students received a 94 than any other score
• No student scored below a 50
• A score of 91 was slightly below average.

Median:

67, 74, 95, 96, 106, 108, 109, 110

• 102

• 67

• 101

• 90.4