QUESTION IMAGE
Question
tribution inferences
25
21%
like skinny jeans (sample 20 each )
a: boys
b: girls
note: 20 samples of
20 students each
estimate the percentage of boys that like skinny
70%
35%
7%
25%
Step1: Count the number of boys who like skinny jeans
From the dot - plot for boys (A), count the number of dots. There are 7 dots.
Step2: Calculate the percentage
The formula for percentage is \(\frac{\text{Number of boys who like skinny jeans}}{\text{Total number of boys}}\times100\%\). The total number of boys is 20. So the percentage is \(\frac{7}{20}\times100\% = 35\%\)
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35%