9
AssignmentMultiple Choice

Writing a Procedure for a Presentation

Question 9 • AA-F26 Physical Science

A survey of 80 students found that 24 students both play in the band and play a sport. But 22 students are not in band and do not play a sport. There are 48 students in the band. Choose a possible description for the rows and columns.

Answer
A
Column: In a Band, Play a Sport; Row: Not in a Band, Do Not Play a Sport
B
Column: Not in a Band, Play a Sport; Row: In a Band, Do Not Play a Sport
C
Column: In a Band, Do Not Play a Sport; Row: Not in a Band, Play a Sport
D
Column: In a Band, Not in a Band; Row: Play a Sport, Do Not Play a Sport

Explanation

The two variables are band membership and whether a student plays a sport, and each has two categories. A possible table can put “In a Band” and “Not in a Band” in the columns, and “Play a Sport” and “Do Not Play a Sport” in the rows, as choice D does. The counts fit: 24 students are in both groups, 24 are in band but do not play a sport (48 − 24), and the remaining 22 + 10 account for students not in band.

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