Measures of Center

What are the measures of center?

(Check all that apply.)

• Mean

• Median

• Range

• Standard Deviation

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

What is the definition of Mean?

• Most frequent number

• The number in the middle of an ordered list

• Max - Min

• Average of the numbers

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Find the Mean:

20, 22, 23, 24, 25, 25, 36

• 25

• 175

• 24

• 87.5

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

What is the definition of Median?

• Most frequent number

• The number in the middle of an ordered list

• Max - Min

• Average of the numbers

Find the Median:

20, 22, 23, 24, 25, 25, 36

• 25

• 175

• 24

• 87.5

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

A measure of center is resistant if it not affected by a/an __________.

• mean

• range

• median

• outlier

Fill in the blank:

The mean ______ to outliers.

• IS resistant

• IS NOT resistant

Fill in the blank:

The median ______ to outliers.

• IS resistant

• IS NOT resistant

When is the median better to use for measuring center than mean?

(Check all that apply.)

• when the distribution is left-skewed

• when the distribution is right-skewed

• when the distribution is roughly symmetric

• when there is an outlier

When is the mean better to use for measuring center?

(Check all that apply.)

• when the distribution is left-skewed

• when the distribution is right-skewed

• when the distribution is roughly symmetric

• when there is an outlier