The sum of 10 item is 12 and the sum of their square is 18 therefore the standard deviation will be
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Answer:
0.8975
Step-by-step explanation:
Varim of the ance = (sum of the squares of the items )/n - [(sum of the items)/n]^2
= (18/12) - (10/12)^2 = 116/144 = 0.8055
Hence variance = 0.8055
Standard deviation = sq rt of variance = sr rt of 0.8055 = 0.8975
Kshrish:
plzz vote if it is helpful to you
Dear give the answer in these
a)-5/3
b)-3/5
c)25/9
d)-9/25
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