Question: [EX08-189] This computer output shows a simulated sample of size 28 randomly generated from a normal population with 18 and 4. Computer commands were then

[EX08-189] This computer output shows a simulated sample of size 28 randomly generated from a normal population with 18 and 4.

Computer commands were then used to complete a hypothesis test for 18 against a two-tailed alternative.

a. State the alternative hypothesis, the decision, and the conclusion that resulted.

b. Verify the values reported for the standard error of mean, z, and the p-value.

18.7734 21.4352 15.5438 20.2764 23.2434 15.7222 13.9368 14.4112 15.7403 19.0970 19.0032 20.0688

18.7734 21.4352 15.5438 20.2764 23.2434 15.7222 13.9368 14.4112 15.7403 19.0970 19.0032 20.0688 12.2466 10.4158 8.9755 18.0094 20.0112 23.2721 16.6458 24.6146 17.8078 16.5922 16.1385 12.3115 12.5674 18.9141 22.9315 13.3658 TEST OF MU=18.000 VS MU not 18.000 THE ASSUMED STANDARD DEVIATION = 4.00 N 28 MEAN 17.217 STDEV SE MEAN 4.053 0.756 Z P VALUE -1.04 0.30

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