TI 83 Mean and the TI 83 Median: Overview
Finding the TI 83 mean or TI 83 median from a list of data can be accomplished in two ways: by entering a list of data, or by using the home screen to type the commands. Using the list feature is just as easy as entering the data onto the home screen, and it has the added advantage that you can use the data for other purposes after you have calculated your mean and median (for example, you might want to create a TI 83 histogram).
TI 83 Mean and the TI 83 Median: Steps
Watch the video or read the steps below:
Sample problem: Find the mean and the median for the height of the top 20 buildings in NYC. the heights, (in feet) are: 1250, 1200, 1046, 1046, 952, 927, 915, 861, 850, 814, 813, 809, 808, 806, 792, 778, 757, 755, 752, and 750.
Step 1: Enter the above data into a list. Press the STAT button and then press ENTER. Enter the first number (1250), and then press ENTER. Continue entering numbers, pressing the ENTER button after each entry.
Step 2: Press the STAT button.
Step 3: Press the right arrow button to highlight “Calc.”
Step 4: Press ENTER to choose “1-Var Stats” and then type in the list name. For example, to enter L1 press [2nd] and .
Step 5: Press ENTER again. The calculator will return the mean, x̄. For this list of data, the TI 83 mean is 884.05 feet (rounded to 3 decimal places).
Step 6: Arrow down until you see “Med.” This is the TI 83 median; for the above data, the median is 813.05 feet.
That’s how to find the TI 83 Mean and the TI 83 Median!
Lost your guidebook? Download a new one here at the TI website.
If you prefer an online interactive environment to learn R and statistics, this free R Tutorial by Datacamp is a great way to get started. If you're are somewhat comfortable with R and are interested in going deeper into Statistics, try this Statistics with R track.Comments are now closed for this post. Need help or want to post a correction? Please post a comment on our Facebook page and I'll do my best to help!