Use the data in the chart below to solve your quiz answers
Mean - 72.8
s - 12.85
Convert your Quiz 1 score (80%) to a z-score. List your z-score.
What percentage of the class did better than you?
- The area under the standard normal distribution between -2.0 and 2.0 is
- None of the above
1. Mean, μ = 72.8 Standard deviation, σ = 12.85 X = 80 Z-score, z = ( X − μ ) / σ... View the full answer