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Mathematics, 13.01.2020 21:31 missalawode28
An srs of 430 high school seniors gained an average of ¯x=20.44 points in their second attempt at the sat mathematics exam. assume that the change in score has a normal distribution with standard deviation σ = 52.32. we want to estimate the mean change in score u in the population of all high school seniors, give a 95% confidence interval (a, b) for based on this sample.
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An srs of 430 high school seniors gained an average of ¯x=20.44 points in their second attempt at th...
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