When data of the variable is collected at distinct time intervals for a specified period of time, it is called
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → Time series data
Values of a variable recorded at successive points or intervals of time, such as yearly sales or monthly rainfall, form a time series. Cross-sectional data, by contrast, are collected on many units at one point of time, and pooled data combine the two kinds.
CBSE Applied Mathematics (Class XII):
Time Series
