The median weekly earnings for people working in sales is $450. Assume that the weekly earnings are approx. normally distributed with a standard deviation of $90.
What is the mean weekly earnings for people working in sales?
To find the mean weekly earnings for people working in sales, we can use the information given regarding the median and the standard deviation.
In a normal distribution, the mean and the median are usually equal. Therefore, the mean weekly earnings for people working in sales would also be approximately $450.
So, the mean weekly earnings for people working in sales is $450.