Statistics questions

Statistics
Tutor: None Selected Time limit: 1 Day

a: top 6% of scores b: scores below top 6 and above the bottom61% c: scores below top 39 and above the bottom16% d: scores below the top 84 and above the bottom 8% f: scores below 8 % mean od 67.1 and standard deviation of 9.2 find limits for grade c

Mar 3rd, 2015

Cut off for C : bottom 61% and bottom 16%

z values are 0.28 and -0.99

Cut off scores = 67.1+0.28*9.2 =69.676

and 67.1-0.99 * 9.2 = 66.11

Scores for C

66.11 to 69.68


Mar 3rd, 2015

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