STATISTICAL TECHNIQUES AND TOOLS
CONCEPT OF POINT AND INTERVAL ESTIMATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following is the symbol for ____ Population Standard Deviation
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2
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s
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s2
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Explanation:
Detailed explanation-1: -The symbol ‘’ represents the population standard deviation. The term ‘sqrt’ used in this statistical formula denotes square root.
Detailed explanation-2: -The term variance refers to a statistical measurement of the spread between numbers in a data set. More specifically, variance measures how far each number in the set is from the mean (average), and thus from every other number in the set. Variance is often depicted by this symbol: 2.
Detailed explanation-3: -The symbol (capital sigma) is often used as shorthand notation to indicate the sum of a number of similar terms. Sigma notation is used extensively in statistics.
There is 1 question to complete.