A test is administered annually. The test has a mean score of 150 and a standard deviation of 20. If Ravi’s z-score is 1.50, what was his score on the test?

# A test is administered annually. The test has a mean score of 150 and a standard deviation of 20. If Ravi’s z-score is 1.50, what was his score on the test?

Share

## krati gupta

calculating score=mean score+standard deviation*z score

calculating score=150+20*1.5

so his score in the test is 180