How to make a Box plot by hand: 1. Find the 5-number summary (smallest value, Q1, Median, Q3, & the largest value) 2. Construct a scale with values that include the minimum and maximum values 3. Construct a box extending from the first quartile to the third quartile and draw a line in the box at the median value 4. Draw lines extending outward from the box to the minimum and the maximum data values and you're done!  How to make a Box Plot using the calculator: Put data into list #1: Press STAT Press ENTER (1:Edit) Put in variable under list 1 L1 Press ENTER (continue the last two steps until you have added all of the variables in your list) Get the 5 number summary:
Press STAT Press CALC Press 1 (1: 1-Var Stat) Press 2nd Press L1 (or the name of the list that you have put your information in) Press ENTER Press Down arrow (the last 5 things in the list are the 5 number summary) To see the Box Plot: Press 2nd Press Y= Press ENTER Press ENTER Press DOWN ARROW Press RIGHT ARROW (till you highlight the box plot with the dots) Press ENTER Press ZOOM PRESS 9 (9: zoom stat) Voila! You have your box plot! To find the Q1, Median, and Q3 by hand:
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