11.5 Warm Up: Mean, median, mode

What is the mean of this data set?

75, 68, 43, 120, 65, 180, 95, 225, 140, 65, 82, 65

• 101.9

• 65

• 78.5

• 54.69

What is the mode of this data set?

75, 68, 43, 120, 65, 180, 95, 225, 140, 65, 82, 65

• 101.9

• 65

• 78.5

• 54.69

What is the median of this data set?

43, 65, 65, 65, 68, 75, 82, 95, 120, 140, 180, 225

• 101.9

• 65

• 78.5

• 54.69

Find the value at the 40th percentile for the data below:

35, 42, 43, 44, 49, 51, 53, 57, 58, 58, 58, 60, 60

• 49

• 51

• 58

• 42

Find the value at the 80th percentile for the data below:

35, 42, 43, 44, 49, 51, 53, 57, 58, 58, 58, 60, 60

• 49

• 51

• 58

• 44

What is the percentile rank for 3 in the data set below:

1, 2, 3, 3, 4, 5, 5, 9

• 50th percentile

• 37.5th percentile

• 62.5th percentile

• 30th percentile

What is the percentile rank for 5 in the data set below:

1, 2, 3, 3, 4, 5, 5, 9

• 50th percentile

• 75th percentile

• 99.9th percentile

• 87.5th percentile

James plays soccer. He wants to average six goals per game. At the first four games he scored 10, 2, 5, and 4. How many goals does he need to score at the next two games to meet his goal?

• 7 and 8

• 7 and 9

• 6 and 6

• 5 and 6