fall_11_midterm_one_grade_distribution

fall_11_midterm_one_grade_distribution - midterm one scores...

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Unformatted text preview: midterm one scores in percent Frequency Valid Missing Total 33 36 38 40 42 44 47 49 51 53 56 58 60 62 64 67 69 71 73 76 78 80 82 84 87 89 91 93 96 98 100 Total System 1 1 1 2 2 1 2 3 2 6 2 2 1 3 4 4 8 3 3 7 6 6 9 5 8 10 9 6 8 6 15 146 2 148 Percent .7 .7 .7 1.4 1.4 .7 1.4 2.0 1.4 4.1 1.4 1.4 .7 2.0 2.7 2.7 5.4 2.0 2.0 4.7 4.1 4.1 6.1 3.4 5.4 6.8 6.1 4.1 5.4 4.1 10.1 98.6 1.4 100.0 Valid Percent .7 .7 .7 1.4 1.4 .7 1.4 2.1 1.4 4.1 1.4 1.4 .7 2.1 2.7 2.7 5.5 2.1 2.1 4.8 4.1 4.1 6.2 3.4 5.5 6.8 6.2 4.1 5.5 4.1 10.3 100.0 Descriptives Cumulative Percent .7 1.4 2.1 3.4 4.8 5.5 6.8 8.9 10.3 14.4 15.8 17.1 17.8 19.9 22.6 25.3 30.8 32.9 34.9 39.7 43.8 47.9 54.1 57.5 63.0 69.9 76.0 80.1 85.6 89.7 100.0 midterm one total score percent Mean 95% Confidence Interval for Mean 5% Trimmed Mean Median Variance Std. Deviation Minimum Maximum Range Interquartile Range Skewness Kurtosis Lower Bound Upper Bound Statistic 78.16 75.31 81.00 79.12 82.22 302.451 17.391 33 100 67 24 -.696 -.422 Std. Error 1.439 .201 .399 This is a V ERY ROUGH ESTIMATE OF how I curve the grades. The mean/median (whatever makes more sense, is a B). The A can change to a B and vice versa; depending on how you do in the other parts of the course 91 and below 89 to 87 84 to 82 80 to 76 73 to 69 67 to 64 62 to 60 58 to 51 49 to 47 44 and lower (A) A_ B+ B BC+ C CD F ...
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This note was uploaded on 12/03/2011 for the course STATISTICS 10 taught by Professor Gould during the Fall '11 term at UCLA.

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