DO  now 2/9/22

DO now 2/9/22

7th Grade

7 Qs

quiz-placeholder

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DO  now 2/9/22

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Assessment

Quiz

Mathematics

7th Grade

Medium

Created by

Anonymous Anonymous

Used 1+ times

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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

Biased
Unbiased
Representative
Peanut butter cups

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A school survey asked 50 girls to identify their favorite items on the school cafeteria menu. This sample is ________________.

Biased
Unbiased
Representative
Numerical

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A student wants to know which type of pizza the students at his high school prefer. Which option would give a unbiased, representative sample:

Asking all the students in the hot lunch line.
Asking 10 random students from each homeroom.
Asking every other student who gets off a school bus.
Asking all the 10th graders.

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The TV station wants to get the opinion of viewers on the look of a new game-show set.  The station's staff calls random people in the phone book.  Is this biased or unbiased?

Biased
Unbiased

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

I surveyed 100 people at a grocery store by selecting every 3rd person that entered, does this sample represent the local population?

Yes, it is random and unbiased.

Yes, it is random and biased.

No, while it is random, it is also biased.

No, while it is random, it is also unbiased.

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

4. A company makes DVDs and randomly selects 25 from 1500 to test them to see if they work.

Biased
Unbiased

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Ana wants to know the average student’s opinion of the tardy policy at her school. Which group of students should she survey in order to achieve the most accurate results?

thirty students who are often tardy
thirty students who are rarely tardy
thirty of her friends
thirty randomly selected students from her school

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