Question

the dot plot represents a sample of data. if each dot represents a person who participated, how many people were involved?

Explanation:

Step1: Count the number of dots at each value

• At value \(1\): \(3\) dots.
• At value \(2\): \(1\) dot.
• At value \(3\): \(3\) dots.
• At value \(4\): \(5\) dots.
• At value \(6\): \(3\) dots.

Step2: Sum up the number of dots

$$3 + 1+3 + 5+3$$

$$=(3 + 1)+(3 + 5)+3$$

$$=4+8 + 3$$

$$=15$$

Answer:

\(15\)