Answer:
adjusted exponential smoothing; linear regression.
Explanation:
A time series can be defined as a technique used in statistical analysis and it involves indexing sets of data elements in a timely or successive order i.e sequentially.
Two time series techniques that are appropriate when the data display a strong upward or downward trend are adjusted exponential smoothing and linear regression.
An adjusted exponential smoothing is a statistical technique used for forecasting through the calculation of the weighted average of an actual value.
Answer:
D.
Explanation:
Its the exact definition of an undecidable problem. Plus I have my notebook open next to me and that's what it says, trust bro.