Statistics questions

Statistics
Tutor: None Selected Time limit: 1 Day

A top 11% of scores b: scores below top 11 and above bottom 60% c: scores below top 40% and above the bottom 19% d: scores below the top 81% and above the bottom 6% f: bottom 6 % mean 76.5 standard deviation 7.6 find the minimum score requiredfor a A

Mar 2nd, 2015

z value for top 11% is 1.23


76.5+1.23*7.6

76.5 +9.348

85.848

minimum score for A is 85.848 or 86


Mar 2nd, 2015

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