Relative Frequency Tables

Front

What percent of students skip breakfast?

Back

48%

Front

What percent of students eat breakfast?

Back

70%

Front

What percent of students age 14 - 17 skip breakfast?

Back

24%

Front

What percentage of the people surveyed were boys?

Back

48%

Front

What percentage of the people surveyed were boys?

Back

48%

Front

Complete the two-way frequency table. How many people receive allowance?

Back

36

Answer explanation

30 + 6 = 36

Front

Of the students that do chores, what percent do not receive an allowance?

Back

5/35 or 14%

Answer explanation

OF 35 students that do chores (denominator), 5 receive no allowance (numerator)

Front

Of the students that do chores, what percent do not receive an allowance?

Back

5/35 or 14%

Answer explanation

OF 35 students that do chores (denominator), 5 receive no allowance (numerator)

Front

What is the relative frequency of students that do chores and receive an allowance?

Back

0.60

Answer explanation

Unless otherwise stated, RELATIVE FREQUENCY is percent of TOTAL.

OF the 50 students (denominator), 30 do chores and do receive an allowance (numerator).

30/50 = 0.6 = 60%

Front

260 students were surveyed on whether they prefer Coke or Pepsi. How many of these students are boys who prefer Pepsi?

Back

52

Answer explanation

260 students surveyed.

0.20 or 20% are boys who prefer Pepsi.

260 x 0.20 = 52

52 boys prefer Pepsi