Example 9: To determine the estimated value for y when x = 5.5 in the
regression equation produced by linear regression of the data input in
Example 4 (page 71)
1. Perform steps 1 through 5 of the procedure under Example 4 (page
71).
2. Select [Statistics Calc], and then press
.
• This displays the regression type menu.
3. Select [y=a+bx], and then press .
4. Input the x-value (5.5), and then input "y
ˆ
", which is the function to
determine the estimated value of y.
5 5
– [Statistics] > [Regression] > [yˆ]
5. Press .
Statistical Calculation Formula
Single-Variable Statistical Calculation Formula
Paired-Variable Statistical Calculation Formula
80