1) When conducting a hypothesis test, the hypothesis that illustrates what we really think is going on is called the ___________________________, whereas the initial claim that is being tested about the population is called the ______________________.

A.alternative hypothesis; null hypothesis

B.null hypothesis; alternative hypothesis

C.research hypothesis; null hypothesis

D.alternative hypothesis; research hypothesis

E.theoretical hypothesis; realistic hypothesis

2) In the population of senior students at Shermer High School, the proportion who plan to attend college is 0.79.In a random sample of 100 students from this population, the proportion who plan to attend college is 0.64.We would call the value 0.64 a

A.p-value.

B.parameter.

C.z-score.

D.statistic.

E.significance level.

3) A claim is made that the proportion of college students who have Netflix accounts is 0.85.Noah believes this claimed value is too high.He is able to survey a random sample of 240 college students, and he finds that the sample proportion who have Netflix accounts is 0.82.Noah proceeds to use this data to conduct a hypothesis test.Based on this information, which one of the following statements is correct?

A.Thep-value will be smaller than 0.01 but larger than 0.

B.Thep-value will be between 0.01 and 0.05.

C.Thep-value will be between 0.05 and 0.10.

D.Thep-value will be larger than 0.10.

E.Thep-value will be negative.

4) It has recently been claimed that 15% of adults consider winter to be their favorite season of the year.A researcher is skeptical of this claim and believes this percentage is too low.She surveys a random of 200 adults and finds that 40 of these adults consider winter to be their favorite season of the year.As she prepares to conduct a hypothesis test, the researcher writes out her null hypothesis as "p= 0.15."What is wrong with this?

A.Nothing is wrong.

B.The null hypothesis should be "p= 0.20."

C.The null hypothesis should be "p> 0.15."

D.The null hypothesis should be "p< 0.15."

E.We cannot determine what the null hypothesis should be without first knowing the significance (or alpha) level.

5) It is claimed that only 5% of professional golfers are left-handed.Believing this claimed value is incorrect, a researcher surveys a large random sample of professional golfers and finds that the percentage who are left-handed is 3%.When a hypothesis test is conducted at a significance (or alpha) level of 0.01, thep-value is found to be 0.02.What decision should the researcher make based on the results of the hypothesis test?

A.The null hypothesis should be rejected because 0.02 is less than 0.05.

B.The null hypothesis should be rejected because 0.02 is less than 0.03.

C.The null hypothesis should be rejected because 0.02 is greater than 0.01.

D.The null hypothesis should be rejected because 0.03 is greater than 0.01.

E.The null hypothesis should not be rejected.

6) Consider a hypothesis testing situation in which the null hypothesis isp= 0.48 and the alternative isp> 0.48.Data is gathered from a random sample, and calculations yield a value ofz=1.8.Which one of the following conclusions can be drawn based on this information?

A.Thep-value is larger than 0.10.

B.There is a 96.41% chance that the null hypothesis is true.

C.If the significance (or alpha) level is set at 0.05, we will reject the null hypothesis.

D.The value of 0.48 is called a statistic.

E.The sample size must be too small.

7) Which one of the following statements is correct?

A.If you are given a sample percentage of 42%, you would need to know the sample size in order to convert the percentage to a proportion.

B.The test statistic is not affected at all by the size of the sample.

C.If ap-value is small, this means it would be impossible for the null hypothesis to be true.

D.We always begin a hypothesis test by assuming that the alternative hypothesis is true.

E.None of the above statements are correct.

8) Ap-value

A.is thez-score we compute when conducting a hypothesis test.

B.can range in value from -1 to 1.

C.can be no smaller than 0 and no larger than 1.

D.is used to determine if a sampling error has been made.

E.is impossible to compute if the sample has not been randomly selected.

9) When conducting a hypothesis test, what would it mean if the researcher obtains a negative test statistic?

A.The sample is too small.

B.It's very unlikely the results would have occurred just by chance alone.

C.A mistake was made in terms of calculating the test statistic.

D.The null hypothesis should definitely be rejected.

E.The sample statistic is smaller than the claimed population parameter.

10) Suppose a hypothesis test is conducted.The significance (or alpha) level is 0.10, and the null hypothesis is rejected.What should we conclude about thep-value?

A.Thep-value is less than or equal to 0.10.

B.Thep-value is less than or equal to 0.05.

C.Thep-value is less than or equal to 0.01.

D.A, B, and C are all correct answers.

E.There is not enough information available to draw any conclusions about what thep-value might be.