The accompanying data represent the running times of files produced by two motion-picture companies. Assume that the running-time differences are approximately normally distributed. Construct a 90% confidence interval for 90% confidence interval for μ - μ were created, should it be assumed that o² = = If a Company | 106 96 105 Time (minutes) 91 99 II 101 78 123 89 171 89 120 Click here to view page 1 of the table of critical values of the F-distribution, for alpha = 0.05. Click here to view page 2 of the table of critical values of the F-distribution, for alpha = 0.05. The confidence interval is < (Round to three decimal places as needed.) Carefully review the properties of the confidence interval for the ratio of two variances. Then, examine the confidence interval found in the previous step carefully and determine if it could be assumed that o² = 22.
The accompanying data represent the running times of files produced by two motion-picture companies. Assume that the running-time differences are approximately normally distributed. Construct a 90% confidence interval for 90% confidence interval for μ - μ were created, should it be assumed that o² = = If a Company | 106 96 105 Time (minutes) 91 99 II 101 78 123 89 171 89 120 Click here to view page 1 of the table of critical values of the F-distribution, for alpha = 0.05. Click here to view page 2 of the table of critical values of the F-distribution, for alpha = 0.05. The confidence interval is < (Round to three decimal places as needed.) Carefully review the properties of the confidence interval for the ratio of two variances. Then, examine the confidence interval found in the previous step carefully and determine if it could be assumed that o² = 22.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
Related questions
Question
Transcribed Image Text:The accompanying data represent the running times of files produced by two motion-picture companies. Assume that
the running-time differences are approximately normally distributed. Construct a 90% confidence interval for
90% confidence interval for μ - μ were created, should it be assumed that o² =
=
If a
Company
|
106
96
105
Time (minutes)
91
99
II
101
78
123
89
171
89
120
Click here to view page 1 of the table of critical values of the F-distribution, for alpha = 0.05.
Click here to view page 2 of the table of critical values of the F-distribution, for alpha = 0.05.
The confidence interval is
<
(Round to three decimal places as needed.)
Transcribed Image Text:Carefully review the properties of the confidence interval for the ratio of two variances. Then, examine the
confidence interval found in the previous step carefully and determine if it could be assumed that o² = 22.
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 3 images
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Calculus For The Life Sciences
Calculus
ISBN:
9780321964038
Author:
GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:
Pearson Addison Wesley,
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Calculus For The Life Sciences
Calculus
ISBN:
9780321964038
Author:
GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:
Pearson Addison Wesley,