Mean, outlier, box plot, and interpreting box plots HW

Calculate the mean.

10, 4, 5, 9

• 7

• 5

• 8

• 4

Tags

CCSS.6.SP.B.5C

Calculate the mean.

23, 18, 9, 10, 5

• 55

• 13

• 14

• 17

Tags

CCSS.6.SP.B.5C

Given the following data set

6, 9, 12, 14, 7, 9, 6, 8, 25, 12, 14

What is the mean of the data set without the outlier?

• 9.2

• 9.7

• 11.1

• 12.4

Tags

CCSS.6.SP.B.5C

Your math grades are 90, 85, 0, 90, 80, 100, and 90. Which grade is the outlier?

• 90

• 0

• 80

• 100

The prices at several different stores for a pair of shoes are

$78, $79, $81, $82, $83. Two days later, another store has the same shoes on sale for $65. How does the new price affect the data?

• Nothing will be affected.

• The median will increase.

• The mean and the median will increase.

• The mean will decrease.

The data set below has an outlier of 42.

2, 5, 12, 15, 19, 4, 6, 11, 16, 18, 12, 12, 42

What effect does removing the outlier have on the mean?

• The mean will increase.

• The mean will decrease.

The data in the table represents the ages of several people in a class. What effect does Mr. Smith’s age have on the data set?

• Mr. Smith’s age increases the mode of the data.

• Mr. Smith’s age decreases the mean of the data.

• Mr. Smith’s age increases the mean of the data.

• Mr. Smith’s age increases the median of the data.

A bowler had the following scores: 196, 205, 197, 280 and 202. What is the difference between the mean with the outlier and the mean without the outlier?

• 13

• 16

• 19

• 22

Gabriella’s quiz grades are 88, 92, 92, 96, 98. Gabriella scored a 20 on her sixth quiz. What effect does this score have?

• The low score causes the median to increase.

• The low score causes the median to decrease.

• The low score causes the mean to increase.

• The low score causes the mean to decrease.

For the data shown, what is the upper quartile?

{5, 5, 6, 6, 6, 7, 7, 10, 11, 15, 18}

• 6

• 7

• 11

• 13

Tags

CCSS.6.SP.B.5C