Question: A sample of 39 observations is selected from a normal population. The sample mean is 43, and the population standard deviation is 6. Conduct the
A sample of 39 observations is selected from a normal population. The sample mean is 43, and the population standard deviation is 6. Conduct the following test of hypothesis using the 0.02 significance level.
H0:= 45H1: 45rev: 10_12_2016_QC_CS-65155
1.
value:
10.00 points
Required information
a.Is this a one- or two-tailed test?
Two-tailed test
One-tailed test
References
eBook & Resources
Multiple ChoiceDifficulty: 2 IntermediateLearning Objective: 10-05 Conduct a test of a hypothesis about a population mean.
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2.
value:
10.00 points
Required information
b.What is the decision rule?
RejectH0ifz < -2.326 or z > 2.326
RejectH0if-2.326 < z < 2.326
References
eBook & Resources
Multiple ChoiceDifficulty: 2 IntermediateLearning Objective: 10-05 Conduct a test of a hypothesis about a population mean.
Check my work
3.
value:
10.00 points
Required information
c.What is the value of the test statistic?(Negative amount should be indicated by a minus sign. Round your answer to 2 decimal places.)
Value of the test statisticReferences
eBook & Resources
WorksheetDifficulty: 2 IntermediateLearning Objective: 10-05 Conduct a test of a hypothesis about a population mean.
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4.
value:
10.00 points
Required information
d.What is your decision regardingH0?
Fail to rejectH0
RejectH0
References
eBook & Resources
Multiple ChoiceDifficulty: 2 IntermediateLearning Objective: 10-05 Conduct a test of a hypothesis about a population mean.
Check my work
5.
value:
10.00 points
Required information
e.What is thep-value?(Round z value to 2 decimal places and finalanswer to 4 decimal places.)
p-value
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