Standard deviation notes - Biology for Life
Standard deviation notes - Biology for Life Standard deviation notes - Biology for Life
This means that…• In men, 68% of all students sampled have aGPA that falls within 1.04 grade points of themean.– MEAN PLUS 1.04 = 3.49– MEAN MINUS 1.04 = 1.40• In women, 68% of all students sampled have aGPA that falls within 0.71 grade points of themean.– MEAN PLUS 0.71 = 3.49– MEAN MINUS 0.71 = 2.0768% of men havea GPA betweenthese values68% of women havea GPA betweenthese values
GPASo, are women smarter?Graph results to find out:Mean GPA of Men and Women at Skyline4.003.503.002.502.001.501.000.500.00MEN+ / - 1 SDMEAN GPAGenderWOMEN
- Page 1 and 2: Standard Deviation!
- Page 3 and 4: Standard Deviation• The standard
- Page 5 and 6: How to calculate the standard devia
- Page 7 and 8: How to calculate the standard devia
- Page 9 and 10: How to calculate the standard devia
- Page 11: How to calculate the standard devia
- Page 15 and 16: Since the SD bars DO NOT overlap, w
- Page 17: PRACTICEPROBLEMS
This means that…• In men, 68% of all students sampled have aGPA that falls within 1.04 grade points of themean.– MEAN PLUS 1.04 = 3.49– MEAN MINUS 1.04 = 1.40• In women, 68% of all students sampled have aGPA that falls within 0.71 grade points of themean.– MEAN PLUS 0.71 = 3.49– MEAN MINUS 0.71 = 2.0768% of men havea GPA betweenthese values68% of women havea GPA betweenthese values
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