Paper Flashcards
(17 cards)
1
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2
Q
If using PMCC why do the variables have to be random
A
A random sample enables proper inference about the population to be undertaken
A random sample is unbiased .
For the hypothesis test (using PMCC) to valid it is necessary to assume that the sample is random
3
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4
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A is independent as values are not subject to random variation
5
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Because this would be extrapolation and it is possible that the relationship is different for young children
6
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7
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Because the values of a are non random so it makes no sense to try predict them
8
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9
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10
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Emphasis on the “valid”
11
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12
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13
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“Underlying distribute may not be normally distributed “
14
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15
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16
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17
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