Answer to Question #93279 in Statistics and Probability for Azam Aziz

Question

To graduate, Qyrisha needs at least a B in Statistics. She did not do very well on her first three tests. However, she did well in the last four. Below are her scores:
57 60 84 90 92 95

1. Compute the mean
2. Determine whether Qyrisha’s grade will be a B (70 to 79 average) or a C (60 to 69 average)

Answer 1

1. mean(scores) = (57 +60 +84 +90 +92 +95) / 6 = 79.66
2.  Qyrisha's grade is B since the average is in 70-79 range.

Answer:

1. 79.66
2. B