Foundations/Algebra
TI 30x Line of Best Fit Steps 2nd DATA choose 2-VARDATA (enter data and use down arrow)STAT VARArrow over to finda = b =r = The equation of the line is y = ax + b. Correlation Coefficient is r. To predict use a(predict #) + b. Estimated methodTI 30 Multiview Line of Best Fit Steps DATA (type in data) 2nd DATA 2 VAR L1 L2 CALC (enter)TI-36 Pro 2 VAR L1 L2 Frequency of 1 Calc a = b = r = You can use the x variable button to find a, b, and r. The equation of the line is y = ax + b. Correlation Coefficient is r. To predict use a(predict #) + b. Estimated methodTI 83 or 84 of Best Fit Steps STAT, then EDIT (type in data in L1 and L2) STAT, then CALC 4: LinReg(ax+b) a = b = r = You can use the x variable button to find a, b, and r. The equation of the line is y = ax + b. Correlation Coefficient is r. To predict use a(predict #) + b. Estimated methodYou have to turn Diagnostic On to get the r value.2nd then 0X^-1 buttonGo till you see DiagnosticONPress enter Twice. ................
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