If for the following data: | Year (x) | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | |---|---|---|---|---|---|---|---| | Production(in tonnes) (y) | 40 | 45 | 46 | 42 | 47 | 50 | 46 | the equation of the straight line trend is $y = 45.143 + 1.036(x - 2003)$, then the trend value for the year 2004 is

Let $y_t=a+b(x_i-2021)$ be the straight line trend for the following data by least squares method:

the trend value for the year 2025 approximately is:

The break-even point is the level of production where

For the given six values 17, 22, 21, 35, 40, 51, the three years moving averages are

Calculate Three Yearly moving averages for the following data

For the given five values 15, 24, 18, 33, 45, which of the following is not the three years moving average?

For the given five values 10, a, 13, b, 25, the 3-years moving averages are 15, 18, 19. The value of a+b is