extrapolation, moving averages and confidence intervals

Question 1

what is extrapolation?

Answer 1

using trends to predict the future
requires historical data
only a predicition

Question 2

what are moving averages?

Answer 2

smoothes fluctuations
calculated over time scale and then plotted on middle point

Question 3

What are confidence intervals?

Answer 3

the probability finds are correct with a possible range of outcomes
wider gap means more certain

Question 4

consequences of interpolation?

Answer 4

forecast a change
may change prices or output
launch or pull products