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Question
47 A null hypothesis is rejected whena) the differences are due to sampling error.
b) the probability of finding a difference that large if the population means are equal is very low.
c) the probability of finding a difference that large if the population means are equal is very high.
d) the distribution is not normal.
Answer
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Related questions
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58 What happens to the standard deviation when a constant is added to each score? Use the following set of data, and a constant of 2 to illustrate your answer.
1 2 3 4
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a) The median location
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c) The hinge location
d) The upper hinge
e) The lower hinge
f) H spread
g) Lower fence
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44 Algebraically, the mean = (ï“X)2/N.
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35 Which of the following is probably most useful in studies in which extreme scores sometimes occur but have no real practical significance?
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18 is the symbol commonly used for the
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The previous graph is symmetrical.
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