Finding Confidence Intervals

Finding Confidence Intervals

12th Grade

19 Qs

quiz-placeholder

Similar activities

KUIZ MATEMATIK

KUIZ MATEMATIK

1st Grade - University

20 Qs

Biostatistics quiz #1

Biostatistics quiz #1

University

20 Qs

Quis persamaan trigonometri

Quis persamaan trigonometri

10th - 12th Grade

15 Qs

Personal Finance PstTest

Personal Finance PstTest

11th - 12th Grade

20 Qs

Quiz sobre Poliedros e Sólidos

Quiz sobre Poliedros e Sólidos

12th Grade - University

15 Qs

Transformar 2

Transformar 2

University

14 Qs

The AI Shield

The AI Shield

University

15 Qs

Quiz on Commission and Salaries & Wages

Quiz on Commission and Salaries & Wages

12th Grade

20 Qs

Finding Confidence Intervals

Finding Confidence Intervals

Assessment

Quiz

Mathematics

12th Grade

Practice Problem

Hard

Created by

Anthony Clark

FREE Resource

AI

Enhance your content in a minute

Add similar questions
Adjust reading levels
Convert to real-world scenario
Translate activity
More...

19 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A sample size of n = 64 is drawn from a population whose standard deviation is σ = 5.6.


Find the margin of error for a 99% confidence interval for µ.

1.799

1.798

1.803

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A large sample has mean of 7.1 and Standard Error of 2.3.


Construct a 90% Confidence Interval for the population mean µ (to two decimal places).

(3.32, 10.88)

(3.8, 7.1)

(3.3, 10.9)

(3.3165, 10.8835)

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The lifetime of a certain type of batter is known to be normally distributed with a standard deviation of 20 hours. A sample of 50 batteries had a mean lifetime of 120.1 hours. It is desired to construct a 99% confidence interval for the mean lifetime of this type of battery. What is the Confidence Interval to one decimal place?

(114.5, 125.6)

(112.8, 127.4)

(112.82, 127.38)

(114.56, 125.64)

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An IQ test was given to a simple random sample of 75 students at a certain college. The sample mean score was 105.2. Scores on this test are known to have a standard deviation of 10. It is desired to construct a 90% confidence interval for the mean IQ scores of the students at the college.


What is the point estimate?

75

105.2

10

0.90

5.

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%

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Percentiles of the bootstrap distribution are provided. Use the percentiles to report a 95% confidence interval for the parameter.

6.593 hours to 7.78 hours

6.322 hours to 8.082 hours

6.438 hours to 7.947 hours

6.174 hours to 8.304 hours

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A
B
C
D

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?