Consider the Minitab output shown below. What is SE Mean? Present your answer to

Question

Consider the Minitab output shown below. What is SE Mean? Present your answer to 2 decimals. What is P-value? Round your answer to 5 decimal places. Can the null hypothesis be rejected at the 0.05 level (if so, enter a value of 1, if not enter a value of 2)? Is this a one-sided (enter a value of 1 if so) or a two-sided (enter a value of 2 if so) test? If the hypotheses had been H_0: mu = 99 versus H_1: mu > 99, would you reject the null hypothesis at the 0.05 level (if so, enter a value of 1, if not, enter a value of 2)? Use the output and the normal table to find a 95% two-sided Cl on the mean: lower bound and upper bound. Round your answers to 2 decimal places. What is the P-value? If the alternative hypothesis is H_1: mu = 100. Round your answer to 5 decimal places.

Explanation / Answer

a)

SE = s/sqrt(n) = 2.4/sqrt(25) = 0.48 [ANSWER]

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b)

This is right tailed.

Using a table/technology, the left tailed area of this is          
          
P(z <   3.25   ) =    0.999422975
          
Thus, the right tailed area is the complement,          
P(z >   3.25   ) =    0.000577025 [ANSWER]

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c)

As P < 0.05, WE REJECT HO.

ANSWER: 1 [ANSWER]

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D)

This is right tailed, so one tailed.

ANSWER: 1 [ANSWER]

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