1.87 is 8.5% of 22 so 8.5% of 80 is 0.085 x 80 so $6.80
Answer: Okay so do 3x7.5 then 3x11.5 then 7.5x11.5 then add it up and you should get 143.25
Answer:
(a) the median grade lies between 76 and 84
(b) the Median grade is greater than the mean grade.
(d) the median grade is a B
Step-by-step explanation:
consider the histogram carefully and answer.