The mean of 36 reading scores drawn from a population with a standard deviation of 18 is 80. Therefore, the 95.44% confidence interval around m is ______..
a. [75.98, 84.02]
b. [–28.00, 188.00]
c. [74.00, 86.00]
d. [7.55,152.45]
Ans: C
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