A sample of 31 observations is selected from a normal populaticon. The sample mean is 11, and the population standard deviation is 3. Conduct the following test of hypothesis using the 0.05 significance level. Hus 10 H>10 a. Is this a one- or two-tailed test? o One-tailed test O Two-tailed test b. What is the decision rule? O Reject H when z> 1.645 when 2s 1645 Reject c. What is the value of the test statistic? (Round your answer to 2 decimal places.) Value of the test statistic 2 of 10 Next> 2 of 10 KPrev
A sample of 31 observations is selected from a normal populaticon. The sample mean is 11, and the population standard deviation is 3. Conduct the following test of hypothesis using the 0.05 significance level. Hus 10 H>10 a. Is this a one- or two-tailed test? o One-tailed test O Two-tailed test b. What is the decision rule? O Reject H when z> 1.645 when 2s 1645 Reject c. What is the value of the test statistic? (Round your answer to 2 decimal places.) Value of the test statistic 2 of 10 Next> 2 of 10 KPrev
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 sample of 31 observations is selected from a normal populaticon. The sample mean is 11, and the population standard deviation is 3.
Conduct the following test of hypothesis using the 0.05 significance level.
Hus 10
H>10
a. Is this a one- or two-tailed test?
o One-tailed test
O Two-tailed test
b. What is the decision rule?
O Reject H when z> 1.645
when 2s 1645
Reject
c. What is the value of the test statistic? (Round your answer to 2 decimal places.)
Value of the test statistic
2 of 10
Next>
<Prev
Transcribed Image Text:d. What is your decision regarding H?
O Reject Ho
O Fail to reject Ha
-1. What is the pvalue? (Round your answer to 4 declmal places.)
pvallue
2. Interpret the p-value? (Round your final enswer to 2 decimal places.)
There is a
Be chance of fincling a z velue this large by sompling error when H0 s true.
Next>
2 of 10
KPrev
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