Using the sign test, if (1) h1 is directional

Using the sign test, if (1) h1 is directional.

Using the sign test, if (1) H1 is directional, (2) H0 is false, (3)  = 0.01, and (4) N = 12, then the probability of making a Type I error equals ____.

0.0002

0.0010


0.0192

0
In a nondirectional alternative hypothesis, evaluating the probability of observing 7 pluses out of 8 events equals ____.

p(7) + p(8)

p(0) + p(8)


p(0) + p(1) + p(7) + p(8)

p(7)
Exhibit 10-2

Refer to the following hypothetical data collected using replicated measures design:
Subject
1
2
3
4
5
6
7
8
9
10
Pre
50
49
37
16
80
42
40
58
31
21
Post
56
50
30
25
90
44
60
71
32
22













Refer to Exhibit 10-2. In a two-tailed test of H0 using  = 0.05, what is p(obtained) for the results shown?

0.1094

0.0108


0.0500

0.0216

In an experiment in which H1 is nondirectional, and the state of reality is such that the probability of a plus = 0.50, the probability of making a Type II error is ____.

0

1  alpha


1

need more information
If H1 is nondirectional and the size of the effect of the independent variable decreases, the probability of making a Type I error ____.

decreases

increases


need more information

equals zero

Using the sign test, if (1) h1 is directional

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