The correct two-way frequency table for the date will look like this:
RAP ROCK COUNTRY TOTAL
Grades 9-10 40 30 55 125
Grades 11-12 60 25 35 120
TOTAL 100 55 90 245
The sum of the row total is equal to the sum of the column total
125 + 120 = 100 + 55 + 90
245 = 245
Y = $35.25(6) + 40
y = $211.5 + $40= $251.50
the answer is a
Hey in melo30's twin .the answer is D.8
