Quiz-Understanding Margin of Error and Confidence Intervals

Quiz-Understanding Margin of Error and Confidence Intervals

11th Grade

16 Qs

quiz-placeholder

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Quiz-Understanding Margin of Error and Confidence Intervals

Quiz-Understanding Margin of Error and Confidence Intervals

Assessment

Quiz

Mathematics

11th Grade

Medium

CCSS
HSS.IC.B.4, HSS.ID.A.4, HSS.IC.A.1

Standards-aligned

Created by

David Henry

Used 23+ times

FREE Resource

16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A 99% confidence interval for a population mean is (100, 200). What is the margin of error?

50

100

150

200

Tags

CCSS.HSS.IC.B.4

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If a 90% confidence interval for a population proportion is (0.4, 0.6), what is the sample proportion?

0.1

0.3

0.5

0.7

Not enough information to determine.

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.4

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

1.64

1.96

2.33

2.58

Tags

CCSS.HSS.ID.A.4

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A survey estimates that 45% of voters favor candidate A with a margin of error of 4%. What is the confidence interval for the proportion of voters who favor candidate A?

(0.41, 0.49)

(0.39, 0.51)

(0.43, 0.47)

(0.45, 0.49)

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.4

CCSS.HSS.ID.A.4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

To decrease the margin of error in a confidence interval, you should:

Increase the confidence level

Decrease the sample size

Increase the sample size

Decrease the confidence level

Tags

CCSS.HSS.IC.B.4

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If the margin of error in a confidence interval is 8 and the sample mean is 200, what is the lower bound of the confidence interval?

192

196

200

208

Tags

CCSS.HSS.IC.B.4

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does a 95% confidence level mean in the context of constructing a confidence interval?

There is a 95% chance the sample data is correct.

95% of the sample data lies within the interval.

We are 95% confident that the interval (in context) contains the population parameter.

We are 95% confident that the sample parameter estimates the population statistic.

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.4

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