Quiz Normal Distribution and Z-scores


Refer to the sample table of data sheet of marks of ten students in a test. Assume the marks of the students are normally distributed. Refer to normal probability table for Z scores, they are freely available on internet. Refer to the Module 1 Statistics module before attempting this exercise.

A Math and Verbal test had the following normal distribution. Math N (69, 19) and Verbal N (75,9). Answer the following questions based on the data shared. What’s the mean and standard deviation of the two mentioned distribution?

Refer to the material for solutions 

Solutions to Selected Problems 

Quiz Normal Distribution and Z-scores