Question: a through c 15. On a standardized reading comprehension test, a population mean of 56 and population standard deviation of 6 was obtained for fifth

a through c

15. On a standardized reading comprehension test, a population mean of 56 and population standard deviation of 6 was obtained for fifth grade students. A random sample of 16 elementary school children were tested and have a mean of 52.75 on the reading comprehension test. It was predicted that the random sample of elementary school children will have a significantly higher reading comprehension score compared to the population. a. Calculate t using the appropriate / test. (2 points) b. What is the critical value for a one-tailed test at the 0.05 level? (1 point) c. Report the results in APA. (2 points)

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