Question

a music promoter recorded the number of bands that played and the ticket sales for several music festivals. the data are shown in the table.
for each festival, how many variables did the music promoter collect data for?
number of bands, x | ticket sales ($), y
3 | 775
5 | 950
6 | 800
8 | 1,025
9 | 1,950
10 | 2,500

Explanation:

Step1: Identify the columns in the table

The table has two columns: "Number of Bands, \( x \)" and "Ticket Sales (\$), \( y \)". Each column represents a variable that the music promoter collected data for.

Step2: Count the number of variables

Since there are two columns (two different types of data being collected), the number of variables is 2.

Answer:

2