A sample of 36 observations is selected from a normal population. The sample mean is 49, and the population standard deviation is 5. Conduct the following test of hypothesis using the 0.05 significance level. H u= 50 H: H* 50 a. Is this a one- or two-talled test? One-talled test Two-tailed test b. What is the decision rule? Reject H, if -1.96 1.96 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.) Valun of the lest statiste

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A sample of 36 observations is selected from a normal population. The sample mean is 49, and the population standard deviation is 5.
Conduct the following test of hypothesis using the 0.05 significance level.
H: u = 50
H:u# 50
a. Is this a one- or two-talled test?
OOne-tailed test
• Two-tailed test
b. What is the decision rule?
OReject H, if -1.96 <z<1.96
• Reject H, if z< -1.96 or z>1.96
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 leut statistic
Transcribed Image Text:A sample of 36 observations is selected from a normal population. The sample mean is 49, and the population standard deviation is 5. Conduct the following test of hypothesis using the 0.05 significance level. H: u = 50 H:u# 50 a. Is this a one- or two-talled test? OOne-tailed test • Two-tailed test b. What is the decision rule? OReject H, if -1.96 <z<1.96 • Reject H, if z< -1.96 or z>1.96 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 leut statistic
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