Box and whisker plot worksheet for Pre-Algebra

What you can put on this worksheet

Reading a box plot

Find the maximum. — a box plot from 3 to 10, median 8 → $10$

The five-number summary from a list

Find the median:
$7,10,10,10,14,15$. → $10$

What percent of the data lies in a section

Use the box plot to estimate what percent of the data values are less than $9$. — a box plot from 3 to 10, median 8 → $75\mathrm{\%}$

Make a box plot from data

Make a box plot of the data: $22$, $20$, $13$, $24$, $17$, $15$, $19$, $20$, $26$. For quartiles, split the data at the median, and leave the median out of both halves when the count is odd. → Min $13$, Q1 $16$, median $20$, Q3 $23$, max $26$

Decimal data, or a longer list

Make a box plot of the data: $32$, $12$, $24$, $27$, $17$, $40$, $20$, $36$, $27$, $40$, $12$, $29$, $22$, $29$, $33$, $23$. For quartiles, split the data at the median, and leave the median out of both halves when the count is odd. → Min $12$, Q1 $21$, median $27$, Q3 $32.5$, max $40$

Compare two box plots

These box plots compare how Class A and Class B did on a math test. Measure from the lowest score to the highest in each class. Which class has the larger range? → Class B: range $25$ vs $22$