Use the following information to complete parts (a) through (e) below. A researcher wanted to determine the effectiveness of a new cream in the treatment of warts. She identified 136 individuals who had two warts. She applied cream A on one wart and cream B on the second wart. Test whether the proportion of successes with cream A is different from cream B at the a=0.01 level of significance. Treatment A Success 62 13 Failure Treatment B Success Failure 10 51 (a) What type of test should be used? O A. Ahypothesis test regarding the difference between two population proportions from independent samples O B. A hypothesis test regarding the difference of two means using a matched-pairs design OC. Ahypothesis test regarding two population standard deviations D. A hypothesis test regarding the difference between two population proportions from dependent samples (b) Determine the null and alternative hypotheses. Assume the warts treated with cream A are population 1 and the warts treated with cream B are population 2. Choose the correct answer below. O A. Ho: P1 =P2; H: P1> P2 O B. Ho: P1 =P2; H: P1 P2 (c) Calculate the test statistic. X = (Round to two decimal places as needed.)
Use the following information to complete parts (a) through (e) below. A researcher wanted to determine the effectiveness of a new cream in the treatment of warts. She identified 136 individuals who had two warts. She applied cream A on one wart and cream B on the second wart. Test whether the proportion of successes with cream A is different from cream B at the a=0.01 level of significance. Treatment A Success 62 13 Failure Treatment B Success Failure 10 51 (a) What type of test should be used? O A. Ahypothesis test regarding the difference between two population proportions from independent samples O B. A hypothesis test regarding the difference of two means using a matched-pairs design OC. Ahypothesis test regarding two population standard deviations D. A hypothesis test regarding the difference between two population proportions from dependent samples (b) Determine the null and alternative hypotheses. Assume the warts treated with cream A are population 1 and the warts treated with cream B are population 2. Choose the correct answer below. O A. Ho: P1 =P2; H: P1> P2 O B. Ho: P1 =P2; H: P1 P2 (c) Calculate the test statistic. X = (Round to two decimal places as needed.)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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