Chapter 8 Tests of Hypotheses Based on a Single Sample
FillintheBlank Questions
1.
In many situations, the alternative hypothesis is referred to as the __________ hypothesis, since it is the statement
the researcher would really like to validate.
2.
The __________ hypothesis should be identified with the hypothesis of no change, no difference, no improvement,
and son on.
3.
An engineer has suggested a change in the production process in the belief that it will result in a reduced defective
rate. Let
p
denote the true proportion of defective items resulting from the changed process, and that 5% of items
produced by a manufacturer during a certain period were defective.
Then the research hypothesis is the assertion
that __________.
4.
In our treatment of hypothesis testing, the __________ hypothesis will always be stated as an equality claim.
5.
The null hypothesis will be rejected if and only if the observed or computed __________ value falls in the
__________.
6.
A __________ error involves not rejecting the null hypothesis
is false.
7.
A __________ error consists of rejecting the null hypothesis
is true.
8.
The probabilities of type I and type II errors are traditionally denoted by the Greek letters __________ and
__________, respectively.
9.
The rejection region is called __________ if it consists only of large values of the test statistic.
10.
The rejection region is called __________ if it consists only of small values of the test statistic.
11.
A __________ error is usually more serious than a __________ error.
12.
The value that represents the probability of type I error is often referred to as the __________ of the test.
13.
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 Spring '11
 cruz
 Statistics, Statistical hypothesis testing, researcher, rejection region

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