8A - Review

What is the mean of these numbers?
4,5,5,2,3,3,2,8

• 40

• 4

• 24

• 256

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

• 60

• 127

• 66

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

• 7

• 5

• 4

• 2

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

• 2

• the maximun number

• the minumun number

• the numbers of items

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

• True

• False

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.

• A score of 91 was slightly below average.

• No student scored below a 50

• More students received a 94 than any other score

The range is found by finding the _______________ number and subtracting the ________________ number.

• 
  smallest, biggest

• even, odd

• biggest, smallest

• middle, first

How many students had more than 6 candy bars?

• 5

• 2

• 3

• 1

Ella is a teacher, and scores awarded to her 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 mean:
28, 18, 19, 18, 17