Q1) Calculate the column marginal of the table.
the column marginal is: 0.5 ; 0.3 ; 0.2
the column marginal is: 0.5 ; 0.2 ; 0.3
the column marginal is: 50 ; 30 ; 20
the column marginal is: 25 ; 10 ; 15

Q2) Calculate the row marginal of the table.
the row marginal is: 0.5 ; 0.3 ; 0.2
the row marginal is: 0.5 ; 0.2 ; 0.3
the row marginal is: 50 ; 30 ; 20
the row marginal is: 25 ; 10 ; 15

Q3) What is the profile associated with piano?
50
0.5
25; 15; 10
0.5; 0.3; 0.2

Q4) Which instrument has the profile closest to the mean one?
Piano
Saxophone
Trumpet

Score =
Correct answers: