Exam 6: Probability and Hypothesis Testing

A 'critical value' ______.

Which of the following BEST addresses the addition rule of probability?

"The probability of a statistic needed to reject the null hypothesis" is represented by ______.

The null and alternative hypotheses ______.

______ refers to the probability of a statistic needed to reject the null hypothesis.

The larger the value of alpha, the lower the likelihood of rejecting the null hypothesis.

A researcher finds that the mean income for her sample is $40,500 but the mean for the population from which the sample is drawn is believed to be $44,270. The difference between the two means can be attributed to ______.

A variable such as sex, whose categories are man and woman, would be considered a binomial variable.

Which of the following is a correctly stated alternative hypothesis?

Which of the following steps in the hypothesis testing process involves mathematical calculations?

In this figure, if the value of a calculated statistic falls in the ______ , you will ______.

A statistical hypothesis that contains the ______ symbol may be defined as ______.

For the variable race, some categories are White, African American, Hispanic, Asian, and Native American. This variable would be considered a binomial variable.

Imagine you are in the lobby of a hotel and are standing in front of several elevators. Which of the following in the BEST example of probability?

Probability is an important concept for researchers primarily because ______.

When the decision to reject the null hypothesis is made, ______.

If the calculated statistic falls in the ______, you will ______.

You ______ when the statistic falls in the region of ______ because this means its probability (p) is ______.

Probability is an important concept for researchers primarily because ______.

______ the sample size of study ______ the likelihood of rejecting the null hypothesis.