Mathematics, 22.01.2021 14:00 mcaninch36

For data sets having a distribution that is approximately bell-shaped and with variance 9, the proportion of the scores within 6 of the mean
Select one:
Is approx 68%
B- none of answers
C-determined by pop mean and standard dev
D-is approx 99.7
E- is approx 95%
I think this is a trick question but not sure !

Answers: 3

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