Hypothesis Testing Answers
What is the null hypothesis, H0, for this situation?
What is the alternative hypothesis, Ha, for this situation?
What type of significance test should be used for this situation? a left-tailed testa two-tailed testa right-tailed test
What is the null hypothesis, H0, for this situation?
A hypothesis test has a significance level of 10%. Explain what this significance level represents.
The significance level determines the critical region of the hypothesis test. A significance level of 10% means that there is a 10% probability of rejecting the null hypothesis incorrectly. Which did you include in your response?A significance level of 10% means that there is a 10% probability of rejecting the null hypothesis incorrectly.The significance level determines the critical region of the hypothesis test.
The z-statistic for a sample of Delmar’s practice times is 1.41. How should this statistic be interpreted in terms of the hypothesis test?
What is the alternative hypothesis, Ha, for this situation?
Which did you include in your response?
Based on the hypothesis test, what conclusion can be drawn about Delmar’s claim?
The critical value for z* for a hypothesis test of the claim at 5% significance is z* = 1.96. How should the z-statistic for the sample be interpreted in terms of the hypothesis test?
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