Construct a 90% confidence interval for u-2 with the sample statistics for mean cholesterol content of a hamburger from two fast food chains and confidence interval construction formula below. Assume the populations are approximately normal with unequal variances. X = 122 mg, s, =3.72 mg, n, = 12 X2 = 51 mg, S 2.17 mg, n2 14 Stats Confidence interval when (Xq - X2) -n

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Construct a 90% confidence interval for u, - Ho with the sample statistics for mean cholesterol content of a hamburger from two fast food chains and confidence interval
construction formula below. Assume the populations are approximately normal with unequal variances.
Stats
X = 122 mg, s, = 3.72 mg, n, = 12
X2 = 51 mg, s, =2.17 mg, n2 = 14
%3D
%3D
Confidence interval when (X1 – X2) -t
variances are not equal
<H1-H2<(X1- X2) + tc
n1
n2
n1
n2
d.f. is the smaller of n, -1 or n2 - 1
Enter the endpoints of the interval.
Inc
<H1-2< (Round to the nearest integer as needed.)
1)
Transcribed Image Text:Construct a 90% confidence interval for u, - Ho with the sample statistics for mean cholesterol content of a hamburger from two fast food chains and confidence interval construction formula below. Assume the populations are approximately normal with unequal variances. Stats X = 122 mg, s, = 3.72 mg, n, = 12 X2 = 51 mg, s, =2.17 mg, n2 = 14 %3D %3D Confidence interval when (X1 – X2) -t variances are not equal <H1-H2<(X1- X2) + tc n1 n2 n1 n2 d.f. is the smaller of n, -1 or n2 - 1 Enter the endpoints of the interval. Inc <H1-2< (Round to the nearest integer as needed.) 1)
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