Question

the data in the figure below represents the number of stars earned by 140 performers in a talent competition. how many performers earned exactly 1 stars? (be careful - compare the question wording to the scale on the graph)

Explanation:

Step1: Identify percentage for 1 star

From the bar - chart, the percentage of performers who earned 1 star is 15%.

Step2: Calculate number of performers

The total number of performers is $N = 140$. The number of performers who earned 1 star is $140\times0.15$.
$140\times0.15=21$

Answer:

21