METHODS OF DATA ANALYSIS
MEASURES OF DISPERSION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Find the standard deviation for the following data; 86, 95, 78, 67, and 85.
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82.2
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5
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9.33
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10.43
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Explanation:
Detailed explanation-1: -Expert-Verified Answer The mean of the given data is the sum of all the terms divided by the number of terms in the data. Now, we will obtain the difference of mean from each term of the data. Now, we will square each of the differences obtained and add them. Therefore, the standard deviation is 2.58.
Detailed explanation-2: -Therefore, the standard deviation of the set 5, 5, 9, 9, 9, 10, 5, 10, 10 is 2.
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