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Applied Mathematics · 2023 · 5 marks
CBSE 2023 · Central · Set 4 · Q34
Fit a straight line trend by method of least squares to the following data and find the trend values:
Fit a straight line trend by method of least squares to the following data and find the trend values :
| Year : | $\displaystyle 2010$ | $\displaystyle 2012$ | $\displaystyle 2013$ | $\displaystyle 2014$ | $\displaystyle 2015$ | $\displaystyle 2016$ | $\displaystyle 2019$ |
| Sales (in lakh ₹) : | $\displaystyle 65$ | $\displaystyle 68$ | $\displaystyle 70$ | $\displaystyle 72$ | $\displaystyle 75$ | $\displaystyle 67$ | $\displaystyle 73$ |
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