Statistics Review

What is the mean of this data?

{ 5, 7, 4, 7, 6, 7 }

• 6

• 3

• 6.5

• 7

Tags

CCSS.6.SP.B.5C

What is the median of this data?

{2, 4, 4, 6, 6, 6, 7, 8}

• 7

• 4

• 6

• 8

Tags

CCSS.6.SP.B.5C

Use your calculator to find the standard deviation of the data.

{4, 4, 4, 4, 5}

• 0.3

• 0.6

• 1.2

• 0.4

The mean score on a test is 50. Which cannot be true?

• Half the scores are 0, and half the scores are 100.

• The range is 50.

• Half the scores are 25, and half the scores are 50.

• Every score is 50.

Tags

CCSS.6.SP.B.5C

Given the data set, are there any outliers? If so, what are they?

{35, 18, 49, 55, 280, 29, 42, 61, 19, 80, 33, 45, 67, 28, 71, 37, 48, 50, 31, 22}

• No

• Yes, 280

• Yes, 280 and 18

• Yes, 18

The amount of coffee in a can has a mean of 350 g and a standard deviation of 4 g. Using the normal distribution curve, what percent of cans have less than 338 g of coffee?

• 2.1%

• .01%

• 13.6%

• 5%

Tags

CCSS.HSS.ID.A.4

What is the skew of this data?

• Center

• Left

• Right

• None

• None

• Center

• Left

• Right

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

What is the value 18 in this data set?

• Outlier

• Median

• Mean

• Whisker

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

What is the IQR of this data set?

• 9

• 13

• 18

• 22

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1