Measures of Central Tendency with Graphing Calculator

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

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

he 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

A survey was conducted by a chocolate manufacturing company, about the likes and dislikes of the flavors they marketed. Which measure of central tendency will help them most to make their choice of the most liked flavor?

• Mean

• Range

• Mode

• Median

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

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