For a set of data with mean 12 and variance 9, approsimately 68% of the values will fall between 6 to 18. Is the true or false and how do you find the answere?

Question

For a set of data with mean 12 and variance 9, approsimately 68% of the values will fall between 6 to 18.  Is the true or false and how do you find the answere?

PsyDAG · Answer

Variance = SD^2 Therefore SD = 3 68% fall between ± 1 SD What does that tell you?

Anonymous · Answer

False