Due to which of the following, the irregular variations in a time series are caused:
(A) Floods
(B) Rise in prices before festivals
(C) A fire in a factory
(D) Epidemics
Choose the correct answer from the options given below:
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → (A), (C) and (D) only
Irregular (random) variations are caused by unpredictable, accidental events.
(A) Floods ✔ (irregular)
(B) Rise in prices before festivals ✘ (seasonal variation)
(C) A fire in a factory ✔ (irregular)
(D) Epidemics ✔ (irregular)
Correct: (A), (C), (D)