1) Mr. Ratajski wants to analyze his student's performance in Algebra
II Accelerated for his students for the first semester. The semester
one grade for his class are listed below:
80 78 72 89 81 85 40 93 80 75 79 88 92
94 44 90 82 78 65 68 79 85 90 88 99 94
a) Organize the numbers above in order from smallest to
largest.
b) Find the mean, median, and mode of this data set. Round the
mean to 1 decimal place.
Mean (show what you are dividing):
Median (show work):
Mode (if none, write \"no mode\"):
c) Which of the student semester 1 grades would represent the
40$^{th}$ percentile of this data set?
