BACHELOR OF BUSINESS ADMINISTRATION

BUSINESS ADMINISTRATION

RESEARCH METHODOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Please calculate sample size for N=120 nurses by 20% drop out.
A
118
B
115
C
110
D
120
Explanation: 

Detailed explanation-1: -If n is the sample size required as per formula and if d is the dropout rate then adjusted sample size N1 is obtained as N1 = n/(1-d).

Detailed explanation-2: -A good maximum sample size is usually 10% as long as it does not exceed 1000. A good maximum sample size is usually around 10% of the population, as long as this does not exceed 1000. For example, in a population of 5000, 10% would be 500. In a population of 200, 000, 10% would be 20, 000.

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