a) Arithmetic mean
=2041+46+...40+48=20651=32.55
b) Geometric mean
=(41×46×…×40×48)201=26.3908
c) Harmonic mean
=(411+461+...+401+481)20=1.05920=18.8854
d) Median
5 7 8 8 14 22 25 28 32 40 41 41 46 46 46 48 48 48 49 49
Median =240+41=40.5
e) Mode = 46 and 48
f) Range = 49-5 = 44
g) Mean deviation
=20∣41−32.55∣+∣46−32.55∣+...+∣40−32.55∣+∣48−32.55∣=14.395
h) Variance =20−11((41−32.55)2+(46−32.55)2+...+(40−32.55)2+(48−32.55)2)=270.99
i) Standard Deviation =270.99=16.461
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