7.1 Margin of Error

7.1 Margin of Error

10th Grade

9 Qs

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7.1 Margin of Error

7.1 Margin of Error

Assessment

Quiz

Mathematics

10th Grade

Hard

CCSS
HSS.IC.B.4, 7.SP.A.2, HSS.IC.B.3

+2

Standards-aligned

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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A research team surveys 200 high schoolers at glenoak. They find that 57% of them drive to school every day. What is the margin of error?

95%

14%

7%

3%

Tags

CCSS.HSS.IC.B.4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A recent survey of 2000 high schoolers found that 80% use their phones more than 4 hours a day on average. What is the interval for which we could expect to find the truth of the population?

2%

78% - 82%

93% - 97%

82%

Tags

CCSS.7.SP.A.2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Complete the following statement about the change in size.

If you increase the size of your sample, the ME will . . . .

increase

decrease

stay the same

Tags

CCSS.HSS.IC.B.4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The sample size of poll is 107 people. What is the approximate margin of error.

10%

3.1%

2.38%

1%

Tags

CCSS.HSS.IC.B.4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The statistic is a number describing the:

population

sample

survey

percent

Tags

CCSS.HSS.IC.B.3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is a sample of 1000 people better than a sample of 100 people?

It reduces the margin of error.

It eliminates bias.

Having more people creates more work.

More people means that our results are always correct.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A sports-and-exercise shop sampled its customer base one weekend and asked 35 customers their age. Which interval estimate of the population mean has a margin of error of 1.7 ?

 26.0 ≤ x̄ ≤ 30.0
26.8 ≤ x̄ ≤ 30.2
33.3 ≤ x̄ ≤ 37.6
24.0 ≤ x̄ ≤ 46.0

Tags

CCSS.HSS.IC.B.4

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