Populations and Samples Review

A school surveys all 7th grade boys to determine what to sell in the school store. This sample is _________.

• Biased

• Unbiased

• Representative

• Too small

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

_______ is the entire group of objects or individuals considered for a survey.

• Sample

• Population

• Random Sample

• Quartile

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A beverage company wanted to see if people in the United States like their new logo. Which choice BEST represents a sample?

• A selection of shoppers from different states.

• Every person in the United States.

• 153 male and female employees from the beverage company

• A selection of logo artists.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Which is the correct data set for the dot plot?

• 1, 2, 3, 4, 5, 6, 7, 8, 9, 
• 1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 7, 9
• 1, 2, 3, 4, 5, 7, 9

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Find the mean.

90, 100, 95, 85, 60, 80

• 85

• 84

• 86

• 90

Tags

CCSS.6.SP.B.5C

True or False

To find the IQR (interquartile range) you have to add the Q3 + Q1.

• True

• False

Tags

CCSS.6.SP.B.5C

What percent of students have a height between 58 inches and 60 inches?

• 25%
• 50%
• 75%
• 100%

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

What is the interquartile range (IQR) of the data set?

• 20
• 25
• 5
• 10

Tags

CCSS.6.SP.B.5C

A middle school has 490 students. Mae surveys a random sample of 60 students and finds that 24 of them have dogs. How many students are likely to have dogs?

• 8 students

• 40 students

• 192 students

• 196 students

Tags

CCSS.7.SP.A.2

A random sample of dogs at different animal shelters shows that 12 of 60 dogs are puppies. The cities shelters collectively house 1,200 dogs each year. Estimate how many are puppies.

• 50 puppies

• 240 puppies

• 20 puppies

• 600 puppies

Tags

CCSS.6.RP.A.3B