Indicate if the hypothesis test is for a. Independent group means, population standard deviations, and/or variances known b. Independent group means, population standard deviations, and/or variances unknown c. Matched or paired samples d. Single mean e. Two proportions f. Single proportion It is believed that the average grade on an English essay in a particular school system for females is higher than for males. A random sample of 31 females had a mean score of 82 with a standard deviation of three, and a random sample of 25 males had a mean score of 76 with a standard deviation of four.
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