In time series, which of the following cannot be predicted?

A) large increases in demand
B) cycles
C) seasonal fluctuations
D) random fluctuations
E) large decreases in demand

Random Fluctuations

The unpredictable changes in variables or systems over time, which can be due to a variety of uncontrolled or random factors.

Seasonal Fluctuations

Variations in demand, supply, or other economic factors that regularly occur at specific times of the year due to changes in season.

Demand Increases

A rise in the quantity of a product or service that consumers are willing and able to purchase at various prices, often leading to adjustments in production or pricing strategies.