Weds Exam 3/31- Variability, MAD, & Interquartile Range

Carrie has four 20-point projects for her class. Her scores on the first three projects are shown below. What score does she need on Project 4 so that her average score for the four projects is 17?

• 15

• 18

• 19

• 20

Tags

CCSS.6.SP.B.5C

What is the interquartile range (IQR) of the box plot shown below?

• 3

• 4

• 5

• 6

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Which of the data sets below have striking deviations? Select TWO answers.

• 65, 68, 61, 63, 71

• 99, 95, 93, 97, 98

• 22, 83, 85, 88, 91

• 72, 78, 71, 67, 35

Tags

CCSS.6.SP.B.5C

CCSS.HSS.ID.A.3

Are there any striking deviations in the data set represented below?

• Yes

• No

Tags

CCSS.6.SP.B.5C

CCSS.HSS.ID.A.3

What is the mean average deviation (MAD) of the data set shown below? Round your answer to the nearest tenth when necessary.

• 1

• 1.4

• 2.3

• 3

Tags

CCSS.6.SP.B.5C

How many total observations are represented in the dot plot below?

• 6

• 17

• 20

• 45

Tags

CCSS.6.SP.B.5A

If the box plot shown below was created based on a total of 32 observations, how many observations does the blue line represent?

• 32

• 23

• 5

• 8

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

How many total observations are represented in the table below?

• 68

• 1

• 42

• 12

Tags

CCSS.6.SP.B.5A

Mario thinks that the data below was collected by a random sampling of students at a middle school. Is this a possible means of collecting the data?

• Yes

• No

Tags

CCSS.6.SP.B.5B

Jackie wrote the names of 10 classmates on index cards and put them in a hat. If she pulls two of the index cards from the hat, is the sample likely to be biased?

• Yes

• No

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1