RESEARCH METHODOLOGY

STATISTICAL TECHNIQUES AND TOOLS

SAMPLING DISTRIBUTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following gives the standard deviation of a sampling distribution?
A
/√n
B
/n
C
/(n-1)
D
/[ (√n)-1 ]
Explanation: 

Detailed explanation-1: -Step 2: Calculate the standard deviation of the sampling distribution of a sample proportion using the formula ^p=√p(1−p)N p ^ = p ( 1 − p ) N . The standard deviation of the sampling distribution of a sample proportion is about 0.0433.

Detailed explanation-2: -Step 1: Calculate the mean of the data-this is xˉx, with, ,¯ on top in the formula. Step 2: Subtract the mean from each data point. Step 3: Square each deviation to make it positive. Step 4: Add the squared deviations together. More items

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