Question
Find the greatest number that will divide 115, 149 and
183 leaving remainders 3, 5, 7 respectively.Solution
According to the question 115-3=112 149-5=144 183-7=176 The greatest number that divides 112, 144, and 176 will be HCF. HCF of 112, 144 and 176 is 16.
If each observation is halved then the coefficient of quartile deviation
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(II) Replication
(III) Local control
Which option is correct?
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For the recorded observation, the coefficient of variation is 0.2 and the variance is 16. The arithmetic mean is:
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