Questions
The standard deviation of some temperature data in oC is 5. If the data were converted into oF, the new variance would be
a
81
b
57
c
36
d
25
detailed solution
Correct option is A
Given, σC=5 Relation between ∘C and ∘F is given by F=9C5+32∴ σF=95σC=95×5=9 Here, σF2=(9)2=81Talk to our academic expert!
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The following information relates to a sample of size . The variance is
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