Asked by frederick
in a certain distribution the mean is 68, with a variance of 16. Using chebyshev's theorem at least what percentage of values will fall between 60 and 76
Answers
Answered by
PsyDAG
SD = √variance
Z = (score-mean)/SD
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability between your Z scores.
Z = (score-mean)/SD
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability between your Z scores.