The human gestation times have a mean of about 266 days, with a standard deviation of about 10 days. Suppose we took the average gestation times for a sample of 100 women.
days
Where would the center of the histogram be?
What would the standard deviation of that histogram?
My sample shows a mean of 264.8 days. What is my z-score?
days (Round to the thousandth place)
My sample shows a mean of 264.8 days. What is my z-score?
(Round to the tenth place)