Question

Using the graph below, what prediction is expected using the trendline for 15 months after Jan 2011?

Answer 1

We are asked that what prediction is expected using the trendline for 15 months after Jan 2011?

Using the graph,

As you can see, the predicted chocolate production for 15 months after Jan 2011 is around 479 million pounds.

We can also use the equation of the trendline to find the exact predicted value.

`y=-1.4578x+500.98`

Substitute x = 15 into the above equation.

`\begin{gathered} y=-1.4578(15)+500.98 \\ y=-21.867+500.98 \\ y=479.113 \end{gathered}`

Therefore, the predicted chocolate production for 15 months after Jan 2011 is around 479.113 million pounds.