Solution :
Given that 39,37,35,29,17,16,15,14,13.6,12.8
=> The range of the sample data is 26.2
Explanation :
=> The range is the difference between the highest and lowest values in the data set.
Ordering the data from least to greatest, we get:
12.8 13.6 14 15 16 17 29 35 37 39
=> The lowest value is 12.8 and The highest value is 39.
=> The range = 39 - 12.8 = 26.2
=> The variance of the sample data is σ^2 = 117.13 (rounded)
=> The standard deviation of the sample data is σ = 10.82 (rounded)
Explanation :
=> standard deviation = sqrt(variance)
= sqrt(117.13)
= 10.82
=> Option D. No, because the sample is not representation of
the whole population
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