AP Statistics TI 83/84 Calculator functions

Put observed counts in L1 and the expected counts in L2. For L3, put in the formula (L1 – L2)2/L2. Use 2nd – list – math – sum in order to find the sum of L3. Take that sum and put into the following in order to find the p-value. χ2-cdf (sum, 1E99, df). df = # categories – 1. Other Important Calculator Reminders: 1. ................
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