Press to view the statistics calculation options.

Press the number associated with an option or use the cursor keys to select an option and press .

Press to select one-variable statistics.

Press to select two-variable statistics.

Press to select median-median which finds the equation of the median-median line of the form y = ax + b.

Press to select linear regression which finds the best-fit linear equation of the form y = ax + b.

Press
to select quadratic
regression which finds the best-fit quadratic equation of the form
y = ax^{2} + bx + c.

Press
to select cubic
regression which finds the best-fit cubic equation of the form y =
ax^{3} + bx^{2} + cx + d.

Press
to select quartic
regression which finds the best-fit quartic equation of the form y
= ax^{4} + bx^{3} + cx^{2} + dx + e.

Press to select linear regression which finds the best-fit linear equation of the form y = a + bx.

Press to select logarithmic regression which finds the best-fit logarithmic equation of the form y = a + b ln x.

Press
to select exponential
regression which finds the best-fit exponential equation of the form
y = ab^{x}.

Press A ( )
to select power
regression which finds the best-fit power equation of the form y =
ax^{b}.

Press B ( )
to select logistic which finds the best-fit logistic equation of the form
y = c/(1 + ae^{-bx}).

Press C ( ) to select sin regression which finds the best-fit periodic equation of the form y = a sin(bx + c) + d.