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The F Distribution
The F distribution is the distribution of the ratio of 2 random variables. Both random variables have yet another distribution, called the c2 Distribution. The degrees of freedom of the numerator is n1 and that of the denominator is n2. We will come across this distribution while studying Regression.
Example
Consider the F distribution with degrees of freedom 2 in the numerator and 13 in the denominator. What is the area under the curve, right of 3.81?
From the tables, this area equals 0.05. (Tables are given in the appendix.)
compare 643,251;633,512; and 633,893. The answer is 633,512
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One Tailed Test It is a test where the alternative hypothesis (H 1 :) is only concerned along with one of the tails of the distribution for illustration, to test a business co
Question 1: (a) Show that, for all sets A, B and C, (i) (A ∩ B) c = A c ∩B c . (ii) A ∪ (B ∩ C) = (A ∪ B) ∩ (A ∪ C). (iii) A - (B ∪ C) = (A - B) ∩ (A - C).
If y 1 (t) and y 2 (t) are two solutions to a linear, homogeneous differential equation thus it is y (t ) = c 1 y 1 (t ) + c 2 y 2 (t ) ........................(3) Remem
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