In the jury trial scenario, our null hypothesis is innocent and our alternative hypothesis is guilty.. Explain which of the two potential errors is more serious, and justify your answer.
Q. 2Explain in words what two errors you can make when drawing conclusions from a hypothesis test.
Q. 3Suppose your hypothesis test results in the conclusion that the true population value is significantly different from what was given in the null hypothesis. Your next question might be, can I get some idea of what the true population value is? You can compute a _______________ based on your sample results to help you answer that question.
Fill in the blank(s) with correct word
Q. 4If only those values above the null hypothesis or only those values below the null hypothesis are listed in the alternative hypothesis, the test is called a __________ test.
Fill in the blank(s) with correct word
Q. 5Suppose a two-sided hypothesis test for a population mean resulted in a p-value of 1 . What would you conclude?
a. The sample mean is exactly equal to the value stated in the null hypothesis.
b. The test statistic is zero.
c. You cannot reject the null hypothesis.
d. All of the above.
Q. 6Which of the following conclusions do you draw if the p-value is smaller than the level of significance?
a. Reject the null hypothesis.
b. Accept the alternative hypothesis.
c. The true population value is significantly different from the value in the null hypothesis.
d. All of the above.
Q. 7What should you conclude if your p-value is greater than the level of significance?
a. Do not reject the null hypothesis.
b. Accept the null hypothesis.
c. Conclude that chance alone produced the observed results.
d. Accept the alternative hypothesis.
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