3.4/3.5 - Mixed Practice

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 distribution of the data?

• The mean will decrease
• The median will decrease
• The mean will increase
• The median will increase

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

A realtor wants to give a customer an idea of housing prices in a neighborhood. All the houses are priced within $20,000 of one another, except one house that is much larger and more expensive than the rest. Which measure(s) of central tendency will be most affected by the one expensive house?

• Mode only
• Mean only
• Both mode and mean
• Both mean and median

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

A value that is much higher or much lower than the other values in a set of data.

• Outlier
• Box Plot
• Range
• Histogram

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.4

CCSS.6.SP.B.5

The salaries of the employees in a company are listed below:

$28,000 $45,000

$31,000 $42,000

$55,000 $72,000

$88,000 $53,000

If $88,000 was found to be an outlier, which salary would be the new maximum?

• $55,000

• $28,000

• $88,000

• $72,000

Tags

CCSS.6.SP.B.5

the first quartile subtracted from the third quartile

• Standard Deviation

• Outlier

• Interquartile Range

Tags

CCSS.HSS.ID.A.2

CCSS.HSS.ID.A.3

Given a set of symmetric data, which of the following is an appropriate measure of the center?

• Mean

• Median

• Mode

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Given a set of skewed data, which is an appropriate measure of center?

• Mean

• Median

• Mode

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

We use the median and IQR for the center and spread of skewed data since they are resistant to outliers.

• True

• False

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

What was the lowest score?

• 20

• 30

• 39

• 40

What was the median score?

• 39

• 50

• 55

• 16

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5