Calculator Tips For TI-83

Two-Variable Statistics (Σx, Σx2, Sx, Σy, Σy2, Sy, Σxy...) Be sure you have data entered into two lists (x in one list and y in another list). STAT. CALC 2:2-Var Stats. By default, this function assumes that your x data are stored in L1 and your y data are stored in L2. ................
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