6. Bellow is an output from Excel One-Sample Z: Test of mu = 99 vs > 99 The assumed standard deviation = 2.5 Variable N Mean StDev SE Mean Z X P 12 100.039 2.365 ? 1.44 0.075 a. Fill in the missing quantities. b. What is test statistic for this hypothesis test? c. What conclusion would you draw for this test. (reject or not reject null hypothesis) d. Find two tailed 95% confidence interval for the mean. Does it include 99?

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Please help me with this statistics problem from my lecture. Do part D ONLY PLEASE. I already found A-C. Thank you.
6. Bellow is an output from Excel
One-Sample Z:
Test of mu = 99 vs > 99
- 2.5
The assumed standard deviation
Variable N Mean StDev SE Mean Z
X
12 100.039
2.365
P
1.44 0.075
a. Fill in the missing quantities.
b. What is test statistic for this hypothesis test?
c. What conclusion would you draw for this test. (reject or not reject null hypothesis)
d. Find two tailed 95% confidence interval for the mean. Does it include 99?
Transcribed Image Text:6. Bellow is an output from Excel One-Sample Z: Test of mu = 99 vs > 99 - 2.5 The assumed standard deviation Variable N Mean StDev SE Mean Z X 12 100.039 2.365 P 1.44 0.075 a. Fill in the missing quantities. b. What is test statistic for this hypothesis test? c. What conclusion would you draw for this test. (reject or not reject null hypothesis) d. Find two tailed 95% confidence interval for the mean. Does it include 99?
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