A few days ago
carmenclassof06

z scores again! 10 pts best answer!?

Reading test scores for Smithville had an average of 69.2 .

Nationally, the average was 60.3 with a standard deviation of 7.82. In Ms. Brown’s class, the average as 75.9.

a) what is the z score for Smithvilles average score?

b)what is the z score for Ms. Brown’s class average?

c)appromixately what percent of students in the country scored lower than Ms. Brown’s average?

z= x- xbar/s(standard dev.)

how do i compute the z core with out a specified amount of students??? Please Help!

Top 2 Answers
A few days ago
don’t plagiarize

Favorite Answer

need more info
0

A few days ago
footbal91k
apple sauce
0