Z = (score-mean)/SD
Z = (230-240)/4.8 = -2.08
Use the same equation for the second score.
A normal distribution has a mean of 240 and a standard deviation of 4.8.
What is a z-score of 230?
What is a z-score of 245?
Round to the nearest hundredth.
Enter your answers in the boxes.
A Z-score of 230 is 6
A Z-score of 245 is <i'm confused for this one
1 answer