7th grade math Sampling and populations

7th grade math Sampling and populations

7th Grade

25 Qs

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7th grade math Sampling and populations

7th grade math Sampling and populations

Assessment

Quiz

Other

7th Grade

Practice Problem

Medium

Created by

Allison Hammond

Used 34+ times

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25 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Harry collects data from a random sample of seventh-graders. Out of 25 respondents, 10 ride the bus to school. Out of 150 seventh-graders who attend Harry's school, how many would be expected to ride the bus to school?

40 seventh-graders

50 seventh-graders

60 seventh-graders

90 seventh-graders

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

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?

Students who do not act.

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

Students who appear in the first act

Students with supporting roles

Students whose names are randomly selected from a hat

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

_________ is a sample in which each individual or object in the entire population has an equal chance of being selected.

Sample

Population

Random Sample

Quartile

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

_______ is a part of a group being surveyed.

Sample
Population
Random Sample
Quartile

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Why do we randomly select our samples?

to control every aspect
reduce bias
so we don't get the same answers from everyone
because it is easier to do

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Darrien has 60 actors in his theater class. He concludes that 8 out of 15 actors have previous acting experience. What is the sample size?

60

8

15

53

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

In order to use samples to estimate something from the population, the sample should be _________________ the population.

exactly the same as
nothing like
representative of
larger than

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