Refer to Exercise 11.66 and find an 80% confidence interval for the ratio of the population standard

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Refer to Exercise 11.66 and find an 80% confidence interval for the ratio of the population standard deviations of CSBS scores for stutterers and nonstutterers in the age group under consideration.

To obtain the required confidence interval.

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Introductory Statistics

ISBN: 9780321989178

10th Edition

Authors: Neil A. Weiss

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Question Posted: Jun 17, 2017 09:07 AM

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Refer to Exercise 11.66 and find an 80% confidence interval for the ratio of the population standard

Question:

Stutterers Nonstutterers 120 109 77 119 72 101 93 95 116 84 122 108 127 97 107 108 105 126 111 99 92 81 123 107 75

Step by Step Answer:

Step 1 The critical values are F 010 and F 090 with df 1211 F 010 with df 1211 is 221 Ap...View the full answer

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