Practicing Success
Practicing Success
CUET Preparation Today
Based on the data available for the sales of an item in a district for the period 2004 to 2010. We have $∑x=0, ∑x^2=28, ∑y=972, ∑xy =214.$ A straight line trend by the method of least squares is : |
$y=138.86+7.64 x $ $y=7.64+138.86x$ $y=972+28x$ $y=214+28x$ |
$y=138.86+7.64 x $ |
