Mathematics, 28.01.2020 05:31 herchellann302
Bella has sampled the heights of 30 students at ridgemont high and obtained a mean of 64.2 inches. he constructs a 90% confidence interval, which turns out to be (61.0, 67.4). what is the ma
a) 2.1 inches
b) 3.2 inches
c) 4.2 inches
d) 6.4 inches rgin of error?
Answers: 3
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Bella has sampled the heights of 30 students at ridgemont high and obtained a mean of 64.2 inches. h...
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