1 To select linear regression and input the following data: (170, 66), (173, 68), (179, 75)
STAT
N3(STAT)2(A+BX)
STAT
170 =173 =179 =ce
STAT
66 =68 =75 =
Important: • All data currently input in the Stat Editor is deleted whenever you exit the STAT Mode, switch between the
To change the data in a cell: In the Stat Editor, move the cursor to the cell that contains the data you want to change, input the new data, and then press =.
To delete a line: In the Stat Editor, move the cursor to the line that you want to delete and then press Y.
To insert a line: In the Stat Editor, move the cursor to the location where you want to insert the line and then perform the following key operation: 11(STAT/DIST)3(Edit)1(Ins).
To delete all Stat Editor contents: In the Stat Editor, perform the following
key operation:
Obtaining Statistical Values from Input Data
To obtain statistical values, press A while in the Stat Editor and then recall the statistical variable (σx, Σx2, etc.) you want. Supported statistical variables and the keys you should press to recall them are shown below. For
Sum: Σx2*, Σx*, Σy2, Σy, Σxy, Σx3, Σx2y, Σx4
11(STAT/DIST) 3(Sum) 1 to 8
Number of Items: n*, Mean: o*, p, Population Standard Deviation: σx*,
σy, Sample Standard Deviation: sx*, sy
11(STAT/DIST) 4(Var) 1 to 7
Regression Coefficients: A, B, Correlation Coefficient: r, Estimated
Values: m, n
11(STAT/DIST) 5(Reg) 1 to 5
Regression Coefficients for Quadratic Regression: A, B, C, Estimated
Values: m1, m2, n
11(STAT/DIST) 5(Reg) 1 to 6
•See the table at the beginning of this section of the manual for the regression formulas.