1. In statistics, it proposes that there is no difference between certain characteristics of a population.
A Alternative hypothesis
C. Null hypothesis
B. Substitute hypothesis
D. Statistical hypothesis
2. It is a position that states something is happening a new theory is preferred instead of an old one.
A. Alternative hypothesis
C. Null hypothesis
B. Substitute hypothesis
D. Statistical hypothesis
3. Which of the following is a description of the power of the test?
A. The probability of accepting the alternative hypothesis when it is true.
B. The probability of failing to accept the alternative hypothesis when it is true.
C. The probability of rejecting the null hypothesis when it is false.
D. None of the above
4. The average July temperature in a region, historically, has been 74.5°F. Perhaps it is higher now.
What is the null hypotheses of the statement?
A. He: #74.5°F
C. H: 274.5°F
B. B. H: <74.5°F
D. He: u = 74.5°F
5. When a new COVID19 Vaccine is created, the pharmaceutical company must subject it to testing
before receiving the necessary permission from the Food and Drug Administration (FDA) to market
the vaccine. Suppose the null hypotheses is "the vaccine is unsafe.” What is the Type II Error?
A. To conclude that the vaccine is safe when in fact, it is unsafe.
B. Not to conclude that the vaccine is safe when, in fact, it is safe.
C. To conclude that the vaccine is safe when, in fact, it is safe.
D. Not to conclude that the vaccine is unsafe when, in fact, it is unsafe.
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