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Watch the video or scroll below for the Steps:

## TI 83 Cumulative Frequency Table: Overview

A **cumulative frequency table** is a frequency table that shows the sum of data up to a specified point. A **TI 83 cumulative** frequency table can be drawn on the **TI 83** screen, using values already placed in a list. Just type in the numbers, press a button, and the calculator does the rest.

## TI 83 Cumulative Frequency Table: Steps

**Sample problem**: Construct a cumulative frequency table for the grades of school children in Rock Hill elementary school (grades k-5). The grades are A (90+), B (80+), C (70+), and D (60+). The number of students achieving those grades are: A (20), B (21) C (52) and D (29).

**Step 1:** Enter the data list L1. Press the STAT button and then press ENTER. Enter the first column value (in our example, that’s 90), and then press ENTER. Continue entering numbers, pressing the ENTER button after each entry.

**Step 2:** Scroll to the right to list L2. Enter the next column’s values (20, 21, 52, and 29). Make sure you press ENTER after each value.

** Step 3:** Scroll to the right and up to highlight L3.

**Step 4:** Press 2nd STAT to reach the “LIST” menu**.**

**Step 5:**Scroll to the right to highlight “OPS” then press 6 for “cumSum.”

**Step 6:**Press 2nd 2 to get “L2,” then press ).

**Step 7:** Press ENTER. The **TI 83** will sum the cumulative data in the L2 column and replace the results in L3, giving you a cumulative distribution table.

**Tip**: To clear the data from a list, place the cursor on the list name (for example, L1), press CLEAR, and then ENTER.

That’s how to create a TI 83 Cumulative Frequency Table!

Lost your guidebook? Download a new one here at the TI website.

step 6 should read “L2” not “L1”

Thanks for spotting that, April!

Stephanie