where o n₁+n₂-2 Enter the endpoints of the interval.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
Related questions
Question
![Construct a 95% confidence interval for ₁-₂ 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.
Confidence interval when
variances are equal
(x₁-x₂) -
where =
1 1
n₁ n₂
<P1-P₂
(₁-1) s² + (n₂-1) s
n₁+n₂-2
Enter the endpoints of the interval.
<H₁-H₂(Round to the nearest integer as needed.)
= (x₁ - x₂) + ¹6 +12
and d.f. = n₁ +n₂-2
W
Bakery A
X₁ = 1866 cal
$1 = 150 cal
n₁ = 10
Bakery B
X₂ = 1683 cal
$2 = 197 cal
n₂ = 8](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7c71094c-6a42-4b2e-b93a-0f0d489253a3%2F5c07eaa6-b6a9-4cb4-92c2-0fd796a00b5e%2F30cz8s7_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Construct a 95% confidence interval for ₁-₂ 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.
Confidence interval when
variances are equal
(x₁-x₂) -
where =
1 1
n₁ n₂
<P1-P₂
(₁-1) s² + (n₂-1) s
n₁+n₂-2
Enter the endpoints of the interval.
<H₁-H₂(Round to the nearest integer as needed.)
= (x₁ - x₂) + ¹6 +12
and d.f. = n₁ +n₂-2
W
Bakery A
X₁ = 1866 cal
$1 = 150 cal
n₁ = 10
Bakery B
X₂ = 1683 cal
$2 = 197 cal
n₂ = 8
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