Question

overall rise or fall in the time series in called secular trend .(write true or false ?​

Answer 1

Answer:

⇒ The rise and fall of time series over periods longer than one year is called Cyclicalvariation.

⇒ Cyclical variations, which are also generally termed as business cycles, are the periodic movements. These variations in a time series are due to ups & downs recurring after a period from Season to Season.

⇒ Though they are more or less regular, they may not be uniformly periodic. These are oscillatory movements which are present in any business activity and is termed as business cycle.

⇒ It has got four phases consisting of prosperity (boom), recession, depression and recovery. All these phases together may last from 7 to 9 years may be less or more.

Hence, it will be False