Measures of Central Tendency

What effect will the outlier have on the median of the data if the outlier is excluded?

64, 56, 59, 125, 58, 64, 65

• increases

• can not be determined

• does not change

• decreases

What effect will the outlier have on the median of the data if the outlier is excluded?

66, 58, 61, 127, 60, 66, 67

• increases

• decreases

• can not be deterimed

• does not change

By how much will the mean vary if the outlier is included?

88, 78, 90, 82, 46, 95, 77

• 5.6

• 6.1

• 85

• 79.4

By how much will the mean vary if the outlier is included?

75, 65, 77, 69, 34, 82, 64

• 5.4

• 72

• 66.6

• 5.9

By how much will the mean weights vary if the outlier is included?

84, 74, 86, 78, 40, 91, 73

• 6.4

• 75.1

• 5.9

• 81

What effect will the outlier have on the median of the data if the outlier is excluded?

2, 2, 2, 2, 8, 2, 24

• insufficient information to conclude

• decreases

• does not change

• increases

• first increase and then decreases

The price of a cheese pizza in five different pizza delivery shops are 5, 5, 4, 6, 6, 8, and $7. Find the mean price of a cheese pizza.

• $7

• $4

• $5

• $6

Mathew sold 78 apples on Monday, 58 apples on Tuesday, 80 apples on Wednesday, and 64 apples on Thursday. Find the average number of apples sold by Mathew.

• 60

• 50

• 70

• 140

the number of roses grown in each garden in a particular month is represented in a pictograph. What is the mean number of roses grown in that month?

• 70

• 7

• 20

• 280

The stem-and-leaf plot shows the age of all the U.S. Olympic Soccer Team players. Find the median age of the players.

• 26.5

• 26

• 25

• 25.5