IQ scores distribution of IQ scores is not normally distributed

standard with a mean of 100 and a standard deviation of 15, which is represented by a bell-shaped graphical.
What is the area under the curve?
What is the median?
What is the mode?

1 answer

Since you say "distribution of IQ scores is NOT normally distributed," bell-shaped graphical does not represent it. Therefore, cannot make estimates. If it was normal, mean = mode = median.