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Solved: Output from a software package follows:
Chapter 9, Problem 39E(choose chapter or problem)
Output from a software package follows:
One-Sample |
Z: |
|||||
Test of mu = |
20 vs >20 |
|||||
The assumed |
standard |
deviation |
= 0.75 |
|||
Variable |
N |
Mean |
StDev |
SE Mean |
Z |
P |
x |
10 |
19.889 |
? |
0.237 |
? |
? |
(a) Fill in the missing items. What conclusions would you draw?
(b) Is this a one-sided or a two-sided test?
(c) Use the normal table and the preceding data to construct a two-sided CI on the mean.
(d) What would the P-value be if the alternative hypothesis is \(H_1:\ \mu\ne20\)?
Equation Transcription:
Text Transcription:
H_1:mu not= 20
Questions & Answers
QUESTION:
Output from a software package follows:
One-Sample |
Z: |
|||||
Test of mu = |
20 vs >20 |
|||||
The assumed |
standard |
deviation |
= 0.75 |
|||
Variable |
N |
Mean |
StDev |
SE Mean |
Z |
P |
x |
10 |
19.889 |
? |
0.237 |
? |
? |
(a) Fill in the missing items. What conclusions would you draw?
(b) Is this a one-sided or a two-sided test?
(c) Use the normal table and the preceding data to construct a two-sided CI on the mean.
(d) What would the P-value be if the alternative hypothesis is \(H_1:\ \mu\ne20\)?
Equation Transcription:
Text Transcription:
H_1:mu not= 20
ANSWER:
Step 1 of 6
Given,
Sample size, n = 16
Mean,
Standard deviation,
The Hypothesis:
Let’s determine the following using the given parameters: