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 149 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 alpha equals 0.05 level of significance. Treatment A Treatment B Success Failure Success 63 10 Failure 25 53 What type of test should be used? A. A hypothesis test regarding the difference of two means using a matched-pairs design. B. A hypothesis test regarding two population standard deviations. C. A hypothesis test regarding the difference between two population proportions from dependent samples. D. A hypothesis test regarding the difference between two population proportions from independent samples.
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