Chapter 7.1-7.3 Practice

Chapter 7.1-7.3 Practice

12th Grade

15 Qs

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Chapter 7.1-7.3 Practice

Chapter 7.1-7.3 Practice

Assessment

Quiz

Mathematics

12th Grade

Medium

CCSS
HSS.IC.B.4, HSS.IC.B.3, 7.SP.C.5

+2

Standards-aligned

Created by

Jacob Jagodzinski

Used 3+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Chapter 7.1:

You are told that Mr. J is 95% confident that the true mean midterm score lies between 75 and 85. State the margin of error.

10

5

80

160

Tags

CCSS.HSS.IC.B.4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Chapter 7.1:

Mr. J states with 96% confidence that his estimate of the true average attendance percentage is 87% with a margin of error of 3%. State the confidence interval.

[84%,90%]

[85.5%,88.5%]

[93%,99%]

[87%,96%]

Tags

CCSS.HSS.IC.B.4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Chapter 7.1:

The Confidence Interval is a range used to help estimate the ________ with a certain level of confidence.

Sample

Statistic

Population

Parameter

Tags

CCSS.HSS.IC.B.4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Chapter 7.1:

Dr. Crismon claims that the true mean height of his students, in inches, lies between 64inches and 68inches. What would the point estimate be?

66 inches

64 inches

68 inches

Not enough information

Tags

CCSS.HSS.IC.B.4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Chapter 7.1:

True/False: A confidence interval can only be used to help estimate the mean

True

False

Tags

CCSS.HSS.IC.B.4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Chapter 7.2:

In order to decrease the range of the confidence interval we need to ___________ our level of confidence.

Increase

Decrease

do nothing to

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Chapter 7.2:

In order to decrease our confidence level we can __________ our confidence interval.

Increase

Decrease

do nothing to

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