NURSING EXAM QUESTIONS
NURSING RESEARCH
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The standard deviation is:
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The square root of the variance
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The square root of the sum of squares
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The square of the variance
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The square of the mean deviation
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Explanation:
Detailed explanation-1: -It’s the measure of dispersion the most often used, along with the standard deviation, which is simply the square root of the variance. The variance is mean squared difference between each data point and the centre of the distribution measured by the mean.
Detailed explanation-2: -In statistics, standard deviation is the most widely used measure of dispersion of a frequency distribution. It is equal to the positive square root of the variance and should not be confused with the root mean square deviation.
Detailed explanation-3: -Standard deviation is the square root of variance. The square root of variance gives us the value of standard deviation.
There is 1 question to complete.