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Analyzing Populations and Samples TEST RETAKE

Authored by Siobhan Keefe

Mathematics

7th Grade

CCSS covered

Used 1+ times

Analyzing Populations and Samples TEST RETAKE
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12 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the mean of the data: 15, 20, 25, 17, 18

15

16

18

19

Tags

CCSS.6.SP.B.5C

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the MAD of the data: 15, 20, 25, 17, 18

2

3.6

5.2

19

Tags

CCSS.6.SP.B.5C

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Zara wants to know how teachers in the local school district feel about extending the school day to 30 minutes longer. Which method will produce a representative sample and therefore provide valid inference?

Survey all the teachers who have publicly protested or supported the proposal.

Survey the first 30 teachers who arrive at Zara's school in the morning.

Survey a random sample of 30 teachers within the school district.

Survey a random sample of 30 teachers and parents of kids within the district.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The entire group studied.

sample
population

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What would be the sample in this example?
Surveyors in a mall choose shoppers to ask about products they prefer.

the surveyors
all shoppers in the mall
the shoppers who were asked their preferences

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The manager of a book store surveys people who buy mystery novels to see if the store should expand its hours.  What is the population?

People who visit the bookstore.
People who buy mystery novels.
Residents of the town
People who like to read.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

7.

MATH RESPONSE QUESTION

15 mins • 1 pt

Cecily is wondering if students like the uniform at school. She surveyed 80 students and 25 said that they prefer wearing a uniform.

There are 640 students at the school. How many would expect to prefer wearing a uniform?

Type only the number, not a fraction

Mathematical Equivalence

ON

Tags

CCSS.7.SP.A.2

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