Statistics Confidence Interval

Statistics Confidence Interval

12th Grade

20 Qs

quiz-placeholder

Similar activities

Unit 16 - Confidence intervals for proportions

Unit 16 - Confidence intervals for proportions

12th Grade

18 Qs

Chapter 7 Review - Confidence Intervals

Chapter 7 Review - Confidence Intervals

11th - 12th Grade

17 Qs

AP Statistics: t-Inference

AP Statistics: t-Inference

10th Grade - University

18 Qs

Constructing a Confidence Interval for a Mean: STEP BY STEP

Constructing a Confidence Interval for a Mean: STEP BY STEP

12th Grade

15 Qs

Confidence Intervals Review

Confidence Intervals Review

11th Grade - University

16 Qs

Samples and Margin of Error

Samples and Margin of Error

9th - 12th Grade

20 Qs

Confidence Intervals

Confidence Intervals

12th Grade

18 Qs

13.1 Standard Deviation and Confidence Interval

13.1 Standard Deviation and Confidence Interval

9th - 12th Grade

17 Qs

Statistics Confidence Interval

Statistics Confidence Interval

Assessment

Quiz

Mathematics

12th Grade

Hard

Created by

Anthony Clark

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In a survey of 104 students, it was found that 79 went to the homecoming game this year. Calculate a 99% confidence interval for p.

(0.652, 0.868)

(0.691, 0.829)

(0.678, 0.842(

(0.685, 0.895)

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In a survey of 104 students, it was found that 79 went to the homecoming game this year. A 99% confidence interval for p is (0.652, 0.868). Interpret this interval.

99% of the time the true proportion of people who went to the homecoming game this year is between 65.2% and 86.6%.

The probability that the population proportion of people who went to the homecoming game this year is between 65.2% and 86.6% is 95%.

Based on this sample, I am 99% confident that the true proportion of people who went to the homecoming game this year is between 65.2% and 86.6%.

99% of all possible intervals calculated this way will capture the true proportion of people who went to the homecoming game this year

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If 827 represents "no" voters out of 2584, construct a 95% confidence interval for the "no" group.

[.300,.340]

[.298,.342]

[.302,.338]

[.288,.352]

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Identify the confidence interval used in the figure below if each shaded area is equal to 0.05.

90%

95%

98%

99%

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A recent survey found that out of 400 random American adults, 89% pay their bills on time. The margin of error in this survey was 2%. What is the interval of values in which the truth is likely found?

89% - 91%

87% - 89%

87% - 91%

388 - 402

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image
A
B
C
D

7.

DRAG AND DROP QUESTION

1 min • 2 pts

A 95% confidence interval was conducted on American adults aged 45-64 and found that the between 15.7% and 19.4% had diabetes as of 2016. a) What is the population proportion that has diabetes according to this confidence interval? ​ (a)   b) What was the margin of error associated with this data? ​ (b)  

17.55%

1.85%

11.55

5.775

11.55%

5.775%

Create a free account and access millions of resources

Create resources
Host any resource
Get auto-graded reports
or continue with
Microsoft
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?