Samples of sizes 10 and 14 were taken from two populations with S.D 3.5 and 5.2. The sample means were found to be 20.3 and 18.6 . Test whether the means of the two populations are the same at 5% ...
SIKSHAPATH Latest Questions
12 entries in a painting competition were ranked by two judges , Judge I : 5, 2, 3, 4, 1, 6, 8, 7, 10, 9, 12, 11 and by Judge II: 4, 5, 2, 1, 6, 7, 10, 9, 11, 12, ...
Compute the derivatives df/dx of the following functions. Describe your steps in detail. a. Use the chain rule, Provide the dimensions of every single partial derivative. f(z) = exp(-1/2z) z = g(y) = yTs–¹y y=h(x) = x-μ where x, μ∈RD, S∈RDxD. b. Use the chain rule, ...
A manufacturer claims that only 4% of his products supplied by him are defective. A random sample of 600 products contains 36 defectives. Test the claim of the manufacturer at 5% level of significance.
If two computers with same IP connected in same LAN want to share information. Would it be possible? Justify your answer.
Two types of new cars produced in India are tested for petrol mileage. One group consisting of 36 cars averaged 14kms. per litre. While the other group consisting of 72 cars averaged 12.5 kms per litre. (a) What test statistic ...