The display that would best show the measures of variation of the given prices is; B: Box and Whisker Plot
<h3>What is the importance of Box and Whisker Plot?</h3>
We are given the prices of Phone chargers in a store as;
$19, $18, $15, $17, $19, $12, $19, and $15.
Now, since we want to determine the display that would best show the measures of variation, the best display would be a box and whisker plot. This is because Box and Whisker plots are a great chart to use when showing the distribution of data points across a selected measure. These box and whisker plots display ranges within variables measured.
Read more about Box and Whisker Plot at; brainly.com/question/26613454
#SPJ1
Answer:
16 13 13 11 11 9 9 8 Median = 11 Mean = 11.25
596 x 25% = 149
This implies 149 persons over the age of 65 voted.
I hope this helps.
Answer:

Explanation:
[ Step One ] Factor 

[ Step Two ] Rewrite Equation

[ Step Three ] Factor 

[ Step Four ] Rewrite Equation

[ Step Five ] Cancel Out Common Factor 

