Question

the dot plot shows how many hours this week students in the band practiced their instruments. hours of band practice how many observations were used for the dot plot?

Explanation:

Step1: Count dots at each value

There is 1 dot at 0, 2 dots at 1, 3 dots at 2, 4 dots at 3, and 3 dots at 4.

Step2: Sum the number of dots

$1 + 2+3 + 4+3=13$

Answer:

13