Question

The table shows music preferences.


What type of music do you prefer?
Pop Classical Rap Jazz Rock Row totals
Male student 80 60 80 70 100 390
Female student 200 150 20 70 50 490
Column totals 280 210 100 140 150 880


Which of the following are possible positive associations or observations?

Answer 1

Pop music is the most popular music for each category of students.

The largest difference in conditional relative frequency between males and females is for pop music.

Male and female students have the same conditional relative frequency for jazz music.

The largest difference in conditional relative frequency between males and females is for rap music.

Answer 2

@nincompoop @charlotte123 can you guys help me?

Answer 3

@whpalmer4 can you please help me with a couple questions? like..,
The table shows the movie preferences of high school and college students.


Movie Preference
Action Drama Comedy Row totals
High School 40 23 12 75
College 20 51 28 99
Column totals 60 74 40 174


Julie mistakenly calculated the conditional relative frequency for college students who like comedy as being 70%. What did Julie actually calculate and what is the correct answer?

She calculated the joint relative frequency for college/comedy. The correct value of conditional relative frequency for college students who like comedy is 28%.

She calculated the conditional relative frequency for comedy films that are liked by college students. The correct value of conditional relative frequency for college students who like comedy is16%.

She calculated the conditional relative frequency for comedy films that are liked by college students. The correct answer is 28%.

She calculated the joint relative frequency for college/comedy. The correct answer is 16%.