A company wants to test the claim that their batteries last more than 40 hours. Using a simple random sample of 18 batteries yielded the following battery life: 35 54 36 50 53 42 37 51 37 40 55 45 45 42 52 45 39 47 Test this claim using a significance level of 0.01. What is the value of t-critical? (Answer in 2 decimal place) Your answer What is the test statistic? (Answer in 1 decimal place) Your answer What is the decision? Reject the null hypothesis O Fail to reject the null hypothesis
A company wants to test the claim that their batteries last more than 40 hours. Using a simple random sample of 18 batteries yielded the following battery life: 35 54 36 50 53 42 37 51 37 40 55 45 45 42 52 45 39 47 Test this claim using a significance level of 0.01. What is the value of t-critical? (Answer in 2 decimal place) Your answer What is the test statistic? (Answer in 1 decimal place) Your answer What is the decision? Reject the null hypothesis O Fail to reject the null hypothesis
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A company wants to test the claim that their batteries last more than 40 hours. Using a simple random
sample of 18 batteries yielded the following battery life:
35 54 36
50 53 42
37 51 37
40 55 45
45 42 52
45 39 47
Test this claim using a significance level of 0.01.
What is the value of t-critical? (Answer in 2 decimal place)
Your answer
What is the test statistic? (Answer in 1 decimal place)
Your answer
What is the decision?
Reject the null hypothesis
Fail to reject the null hypothesis
Transcribed Image Text:What is the null hypothesis?
What is the alternative hypothesis?
Ho μ < 40
Ho: µ < 40
Ho μ- 40
Ha σE 40
Ο H: μΕ 18
H: σ< 40
Ο Hμ#40
H: μ= 40
Ο H& σ= 40
H: σ> 18
Ο H: μ 18
H: μ= 18
Hi: μ > 40
H: μ+ 18
Ο H: μ< 40
H:: p > 18
Ο H: μέ 18
H μ>18
H: σ< 40
Ho: H # 40
Ο H: σ> 18
Ha: σ 18
Ho: μ >18
H:: μ< 40
H: μ= 40
Ho μ- 40
Ο H& σ= 18
H: μ > 40
Ο Hεμε 18
H μ= 18
|
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