Given Ho: = 10, Ha: #10, n = 12, = 0.01, and the computed test statistic is 2.39

Question

Given Ho: = 10, Ha: #10, n = 12, = 0.01, and the computed test statistic is 2.394, the p value for the test is I. a. Between 0.02 and 0.01c b. Between 0.05 and 0.02 c. between 0.025 and 0.01 d. none of the above Given Ho: = 10, Ha: #10, n = 12, = 0.01 and the computed test statistic is t=- 2.694, the p value for the test is Between 0.02 and 0.01 Between 0.05 and 0.02 2. c. between 0.025 and 0.01 d. none of the above a. b. 3. If the null hypothesis is not rejected, we conclude that the alternative The probability of obtaining a value of the test statistic as extreme or as more extreme than that actually obtained, given that the tested null hypothesis is true, is call for the_ 4· test. A market analyst believes that more than 30 of the adults in a certain area regularly read a certain magazine. The analyst wishes to conduct a hypothesis test to see whether this belief will be supported. The appropriate statistical hypothesis are: 5. Given Ho: > 50,

Explanation / Answer

1) n = 12

Test statistic is t = 2.394

Degrees of freedom = n - 1 = 12 - 1 = 11

Our test is two tail test because alternative hypothesis has not equal sign.

P-value b) between 0.05 and 0.02 ( Using t table)

2)

n = 12

Test statistic is t = - 2.694

Degrees of freedom = n - 1 = 12 - 1 = 11

Our test is two tail test because the alternative hypothesis has not equal sign.

P-value b) between 0.05 and 0.02 ( Using t table, see it positive because t distribution is symmetry)

3) If the null hypothesis is not rejected, we conclude that the alternative rejected.

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