Question: Given the samples 4 6 5 and 9 6 3 (a) Evaluate the d.f. for testing H 0 : 1 = 2 =

Given the samples 4 6 5 and 9 6 3
(a) Evaluate the d.f. for testing H0 : μ1 = μ2 = 0 using the approximate t statistic.

(b) Use software to confirm your d.f. in part (a) .

R: t.test(x,y) after x=c( 4,6,5) and y= c(9,6,3)

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