ORGL 3400 Harvard Unit 3 Pre-Test & Post Test Scores for a Class Worksheet InstructionsOpen the attached file and read the instructions to see what calculations you need to make using Excel functions. You are not required to interpret your statistical results, but you will need to complete each calculation. You also need to create one chart showing graphs for each column (Pre-test and posttest). ORGL 3400 Excel Assignment Rubric
Headings and titles are set up nicely
Not Acceptable (0)
Column widths are appropriately
formatted to make data readable
All calculations are done using
appropriate Excel formulas (not
Calculated Results/Graphs are correct
Overall layout is as instructed
Excellent – No errors or recommendations
Good – Very few (1-2) errors; few recommendations
Fair – Multiple (3-4) corrections or recommendations
Not acceptable – Five or more corrections or recommendations
Pre-Test & Post-Test Scores for a Class
Use “countif” command to find # of scores less than 70%
Calculate mean scores
Calculate variance for each set of scores
Calculate standard deviation
Calculate a one-tail ttest P(T
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