Question

High school students from grades 9-10 and 11-12 were asked to choose the kind of band to have play at a school dance: Rap, Rock, or Country.

Their choices were as follows:
Grades 9-10—Rap: 40; Rock: 30; Country: 55
Grades 11-12—Rap: 60; Rock: 25; Country: 35

Which of the following is a correct two-way frequency table for the data?

A)
Band preference for school dance
Rap Rock Country Row totals
Grades 9-10 0.28 0.21 0.38 0.86
Grades 11-12 0.41 0.17 0.24 0.83
Column totals 0.69 0.38 0.62 1

B)
Band preference for school dance
Rap Rock Country Row totals
Grades 9-10 0.40 0.55 0.61 0.86
Grades 11-12 0.60 0.45 0.39 0.83
Column totals 1 1 1 1

C)
Band preference for school dance
Rap Rock Country Row totals
Grades 9-10 40 30 55 125
Grades 11-12 60 25 35 120
Column totals 100 55 90 245

D)
Band preference for school dance
Rap Rock Country Row totals
Grades 9-10 0.32 0.24 0.44 1
Grades 11-12 0.50 0.21 0.29 1
Column totals 0.69 0.38 0.62 1

Answer 1

"Band preference for school dance
Rap Rock Country Row totals
Grades 9-10 40 30 55 125
Grades 11-12 60 25 35 120
Column totals 100 55 90 245"
Is the one table among the following choices given in the question that is a correct two-way frequency table for the data. The correct option among all the options that are given in the question is the third option or option "C".

Answer 2

The answer is option C "Band preference for school dance Rap Rock Country Row totals Grades 9-10 40 30 55 125 Grades 11-12 60 25 35 120 Column totals 100 55 90 245"

You can see because this tablet has to correct information from the data you see in the question for example: Rap 40, Rock: 30, Country: 55 which has the same data in option C.

Hope this helps!