The following question require using the z score formula.

A population has a mean of = 50 and a standard deviation of = 10. For a score of x = 38, find the z score. _____________

A score of x = 36 corresponds to a z = 1.88, in a population with a mean of = 32. What is the population standard deviation? _____________

A score of x= 124 corresponds to a z= 0.88, in a population with a standard deviation of = 12. What is the population mean? _____________

In a population of = 300 and a standard deviation of = 18.6, what score corresponds to a z = 2.66?