The heights of persons with No. of persons is given , Heights (in Cm ): 58, 59, 60, 61, 62, 63, 64, 65 and No. of persons : 10, 18, 30, 42,35, 28, 16, 8 . Find Karl Pearson’s coefficient of correlation.
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Fit a Binomial Distribution to the following frequency data : x: 0 1 3 4 f: 28 62 10 4
Discuss relation between Binomial, Poisson and Normal Distributions.
A company has three establishments A,B and C in three cities. Analysis of the daily wages paid to the employees in the three establishments is given below: Establishments: A B C Number of employees: 20 25 40 Average daily wages: 305 300 340 Standard Deviation: 50 40 45 Find the average and standard deviation of the wages ...
The diameter , Say X , of a electric cable , is assumed to be continuous random variable with p.d.f : f(x)= 6x(1-x) , 0<=x<=1. (1) Check that the above is a P.D.F. (2) Obtain an expression for the c. d. f. ...