Thanhthu

@Thanhthu (1)

Vietnam • Age 41

Joined myLot 19 years ago

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I need your help about the sample size

Thanhthu @Thanhthu (1) • Vietnam 9 May 07

I get troubles with the formula used in your Sample Size Calculator ss = Z2 * (p) * (1-p)/c2 I don't understand the meaning of Z value and p. Would you help me? Thank in advance!