Statistics Review

Compare the dot plots. Which vehicle has a more consistent gas mileage?

• SUVs

• Cars

Tags

CCSS.7.SP.B.4

What is the third quartile of the data?

25, 25, 25, 29, 31, 33, 37, 38, 40, 42, 46

• 37
• 38
• 40
• 46

Tags

CCSS.6.SP.B.5C

What percentage of the data is between 40 and 90?

• 25 %
• 50%
• 75%
• 100%

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.B.4

Mario compares random download times of movies from three different services. Using the table, find the mean of WhoKnew.

• 4.5

• 4.7

• 4.8

• 5.0

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.NS.B.2

CCSS.6.NS.B.3

Carrie is comparing the growth of plants under natural and artificial light sources. Use the measures of center from the box plots to make an inference about the data.

• Group Q has a greater growth of plants under natural and artificial light sources.

• The sets have the same variability related to the growth of plants under natural and artificial light sources.

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.4

The drama teacher wants to determine where the drama club should go to celebrate their final performance. Which of the following is NOT a representative sample?

• Every 4th student selected from an alphabetical roster of the club

• Students whose names are randomly selected from a hat

• Students who appear in the first act

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Fifty percent of the test scores in 2nd Period were below what score?

• 82

• 75

• 85

• 93

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.4

At a football game, a researcher

randomly asks 100 people to name

their favorite sport. Is this a biased

sample?

• Yes, because he did not ask enough people.

• No, because he asked enough people.

• No, because he chose a random sample.

• Yes, because the subjects he surveyed were at a football game.

Tags

CCSS.6.SP.A.1

Roger has the following data:

12, 10, 3, 5, 6

Susan has the following data:

5, 9, 4, 5, 6

Who has the data with the highest median and what is it?

• Roger - 6

• Susan - 7

• Roger - 8

• Susan - 5.5

Tags

CCSS.7.EE.B.3

Richard wants to know about recycling habits of students at LMK. He surveys a random sample of 7th grade girls and boys. Which of the following is a population?

• 7th grade girls at LMK

• 7th grade boys at LMK

• Teachers at LMK

• All students at LMK

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2