Mr. Brown recorded the final exam scores for his fifth period math class in the histogram below. Which of the following would be the best measure of center?
A.
mean
B.
median
C.
interquartile range
D.
mean absolute deviation

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?