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Question 1
Using given data points tabulated below, a straight line passing through the origin is fitted using least squares method. The slope of the line is
Question 2
The sum of square of deviation for 10 observation taken from mean 50 is 250. The coefficient of variation is
Question 3
The mean and variance of a binomial distribution are 4 and 3, respectively. Then the probability of getting exactly six successes in this distribution is
Question 4
If and 17.5 is the mode of the following frequency distribution.
Then,
Question 5
The median class in the following frequency distribution is
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Apr 4CDS & Defence