In: Statistics and Probability
Based on the data shown below, calculate the regression line
(each value to two decimal places)
y = x +
x | y |
---|---|
1 | 9.94 |
2 | 10.38 |
3 | 9.92 |
4 | 14.46 |
5 | 14.6 |
6 | 12.24 |
7 | 14.58 |
x | y | xy | x2 | y2 |
1 | 9.94 | 9.94 | 1 | 98.8036 |
2 | 10.38 | 20.76 | 4 | 107.7444 |
3 | 9.92 | 29.76 | 9 | 98.4064 |
4 | 14.46 | 57.84 | 16 | 209.0916 |
5 | 14.66 | 73.3 | 25 | 214.9156 |
6 | 12.24 | 73.44 | 36 | 149.8176 |
7 | 14.58 | 102.06 | 49 | 212.5764 |
∑Xi=28 | ∑Yi=86.18 | ∑xiyi=367.1 | ∑xi^2=140 | ∑Yi^2=1091.3556 |