Estimating Measures of Central Tendency

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

79, 69, 81, 73, 38, 86, 68

• 70.6

• 5.9

• 76

• 5.4

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

4, 6, 3, 4, 3, 6, 24

• insufficient information to conclude

• increases

• decrease

• does not change

What effect will the outlier have on the median of the data if the outlier is excluded? 2, 4, 1, 2, 8, 4, 22

• does not change

• insufficient information to conclude

• decreases

• increases

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

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