Construct a 90% confidence interval for u, -H2 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, = 132 mg, s, = 3.96 mg, n, = 14 X2 = 98 mg, s, = 2.12 mg, n, = 10 s s3 +t. Confidence interval when (X1-X2) - variances are not equal t. n.

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Construct a 90% confidence interval for u,-H2 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
X1 = 132 mg, s, = 3.96 mg, n, = 14
X2 = 98 mg, s2 =2.12 mg, n2 = 10
Confidence interval when
variances are not equal
(X1-*2)-
s s3
<H1 - H2< (X1-X2) +to
+
n2
d.f. is the smaller of n,-1 or n, - 1
Enter the endpoints of the interval.
D<H1-H2<(Round to the nearest integer as needed.)
Transcribed Image Text:Construct a 90% confidence interval for u,-H2 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 X1 = 132 mg, s, = 3.96 mg, n, = 14 X2 = 98 mg, s2 =2.12 mg, n2 = 10 Confidence interval when variances are not equal (X1-*2)- s s3 <H1 - H2< (X1-X2) +to + n2 d.f. is the smaller of n,-1 or n, - 1 Enter the endpoints of the interval. D<H1-H2<(Round to the nearest integer as needed.)
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