The table compares the average daily temperature and ice cream sales each day.
Temperature ( ${ }^{\circ} F$ )Ice Cream Sales
58.2\$112
64.2\$135
64.3\$138
66.8\$146
68.4\$166
71.6\$180
72.7\$188
76.2\$199
77.8\$220
82.8\$280
Using technology, determine the line of fit, where $x$ represents the average daily temperature and $y$ represents the total ice cream sales. Round values to the nearest tenth.
A$\hat{y}=3.8 x-109.2$
B$\hat{y}=-3.8 x-109.2$
Temperature ( ${ }^{\circ} F$ ) | Ice Cream Sales |
58.2 | \$112 |
64.2 | \$135 |
64.3 | \$138 |
66.8 | \$146 |
68.4 | \$166 |
71.6 | \$180 |
72.7 | \$188 |
76.2 | \$199 |
77.8 | \$220 |
82.8 | \$280 |
A$\hat{y}=3.8 x-109.2$
B$\hat{y}=-3.8 x-109.2$