Question

Algebra Help?

Males and females (ages 13–18) were surveyed to choose a favorite free-time activity: playing computer games, listening to music, or watching movies/TV.

The survey showed the following frequencies:
Females—playing computer games: 4; music: 20; watching movies/TV: 16
Males—playing computer games: 15; music: 12; watching movies/TV: 13

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

Answer 1

Male and Female Leisure Time Activity Preferences
Computer Games Music Watching movies/TV Row totals
Female 4 20 16 40
Male 15 12 13 40
Column totals 19 32 29 80

Male and Female Leisure Time Activity Preferences
Computer Games Music Watching movies/TV Row totals
Female 0.05 0.25 0.20 0.50
Male 0.19 0.15 0.16 0.50
Column totals 0.24 0.40 0.36 1

Male and Female Leisure Time Activity Preferences
Computer Games Music Watching movies/TV Row totals
Female 0.10 0.50 0.40 1
Male 0.38 0.30 0.33 1
Column totals 0.24 0.40 0.36 1

Male and Female Leisure Time Activity Preferences
Computer Games Music Watching movies/TV Row totals
Female 0.21 0.63 0.55 0.50
Male 0.79 0.38 0.45 0.50
Column totals 1 1 1 1