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A sample of 30 observations is taken from a process (an infinite population). The sampling distribution of is not normal since n < 30 approximately
A sample of 30 observations is taken from a process (an infinite population). The sampling distribution of is
not normal since n < 30 | ||
approximately normal because is always normally distributed | ||
approximately normal if np >= 5 and n(1-p) >= 5 | ||
approximately normal if np > 30 and n(1-p) > 30 |
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