RESEARCH METHODOLOGY

STATISTICAL TECHNIQUES AND TOOLS

SAMPLING DISTRIBUTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
According to de Moivre’s Equation, in order to get an estimate that is three times more accurate than your old one, you need to collect ____ times as much data
A
9
B
3
C
6
D
27
Explanation: 

Detailed explanation-1: -Uses of De Moivre’s Theorem We use polar form of complex numbers to represent a complex number using trigonometry. Example: Evaluate ( 1 + i )1000. We have to represent z in the form of r(cos + i sin ).

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