Question: Consider the following hypothesis test. H 0 : 1 2 = 0 H a : 1 2 0 The following results are from independent samples

Consider the following hypothesis test.

H0:12= 0

Ha:120

The following results are from independent samples taken from two populations.

Sample 1 Sample 2

n1= 35 n2= 40

x1= 13.6 x2= 10.1

s1=5.6 s2=8.4

(a) What is the value of the test statistic? (Usex1x2.) Round your answer to three decimal places.)

(b) What is the degrees of freedom for thetdistribution? (Round your answer down to the nearest integer.)

(c) What is thep-value? (Round your answer to four decimal places.)

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