Question

Increase in the number of patients in the hospital due to heat stroke is:

• A. Secular trend
• B. Irregular variation
• C. Seasonal variation
• D. Cyclical variation

Answer 1

The correct option is C Seasonal variation

$\Rightarrow$ Increase in the number of patients in the hospital due to heat stroke is : $Seasonalvariation.$

$\Rightarrow$ Over a span of one year, seasonal variation takes place due to the rhythmic forces which operate in a regular and periodic manner. These forces have the same or almost similar pattern year after year.

$\Rightarrow$ It is common knowledge that the value of many variables depends in part on the time of year.

$\Rightarrow$ Increase in number of Heat stroke is one of example of seasonal variation because it's happens in every year in summer.