Question

note: please make sure to properly format your answers. all dollar figures in the answers need to include the dollar sign and any amount over 1,000 should include the comma ($2,354.67). all percentage values in the answers need to include a percentage sign (%). for all items without specific rounding instructions, round your answers to two decimal places, show both decimal places (5.06). the stem - and - leaf plot shown is called a back - to - back stem - and - leaf plot, and combines two stem - and - leaf plots. it gives the semi - annual premiums for the girls and boys in van buren high school who currently drive. the numbers between the two vertical lines represent the hundreds (left) and tens (right) digits. the numbers on the extreme left show the units digits for the girls. notice they are written in ascending order as you move out from the middle. the numbers on the extreme right show the units digits for the boys. 9 8 1 1 1 1|87|1 2 2 3 2|88|2 4 6 7 7 5 4|89|1 3 7 6 6 6 5|90|2 7 7 7 1|87 = $871 87|1 = $871 a. how many girls at van buren hs drive? b. how many boys at van buren hs drive? c. find the range of the annual premiums for all of the students.

Explanation:

Step1: Identify the minimum value

The minimum semi - annual premium among all students is $871$ (from the left - most part of the stem - and - leaf plot for girls).

Step2: Identify the maximum value

The maximum semi - annual premium among all students is $907$ (from the right - most part of the stem - and - leaf plot for boys).

Step3: Calculate the range for semi - annual premiums

The range of semi - annual premiums is $907 - 871=36$. Since we want the range of annual premiums, we multiply the semi - annual range by 2. So the range of annual premiums is $36\times2 = 72$.

Answer:

$72$