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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

Find a correct two-way frequency table for the data

Respuesta :

meerkat18
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

  RAP      ROCK     COUNTRY     TOTAL

Grades 9-10           40          30            55                 125

Grades 11-12           60          25            35                 120

TOTAL                   100          55            90                245

How to extrapolate the two-way frequency table

The steps to take include;

  • Identifying the variables
  • Determine the possible values of the variables
  • Set up the table
  • Add the frequencies

We have;

                             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 all the variables would give 245

Learn more about two-way frequency table here:

https://brainly.com/question/16148316

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