Mathematics, 19.05.2020 01:59, annabanana1298

True pr False
a) When performing a hypothesis for a population mean it is not necessary to obtain a simple random sample.
b) The area under a normal distribution curve is 1 but the area under a uniform
distribution curve is 2
c) The formula Z=(x- mean)/sigma doesn’t work for a standard normal distribution.
d) The presence of outliers has very little (if any) effect on a regression equation

Answers: 2

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True pr False
a) When performing a hypothesis for a population mean it is not necessary to obt...