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Construct a 95% confidence interval for 12 with the sample statistics for mean calorie content of two bakeries' specialty pies and confidence interval construction formula

Construct a 95% confidence interval for 12

with the sample statistics for mean calorie content of two bakeries' specialty pies and confidence interval construction formula below. Assume the populations are approximately normal with equal variances.

Bakery A

Bakery B

x1

=

1858

cal

x2

=

1650

cal

s1

=

144

cal

s2

=

200

cal

n1

=

12

n2

=

16

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