Review

What is the mode?

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

3, 3, 4, 6, 9 - What is the mode?

• 3

• 4

• 6

• 9

Find the MODE

3, 5, 6, 2, 3, 7, 6, 3, 5, 3, 8, 9

• 5

• 9

• 7

• 3

Find the MODE

70, 75, 77, 79, 79, 80, 81, 81, 81, 83, 85

• 79

• 81

• 80

• 85

What is the definition of the mean?

• The average
• The middle number
• The difference between the highest and lowest numbers
• The number that occurs the most

Find the mean of these numbers:
2, 57, 38, 42, 6

• 29
• 38
• 50
• 145

What is the mean of the data below?

1 , 5 , 10 , 11 , 20

• 10

• 9.4

• 19

• 9.1

What is the range?

• The sum of the largest and smallest number

• The number in the middle

• The difference between the largest and smallest number

• The number that appears most often

Find the RANGE of the set of numbers below;

9, 78, 90, 24, 36, 5, 81, 71, 24

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

• 193
• 127
• 60
• 66