MCQ
Assertion (A) : To construct a frequency polygon for a given frequency distribution, we first calculate the class marks of the given class-intervals.
Reason (R) : To construct a frequency polygon, we take class marks along $y$-axis and corresponding frequencies along $x$-axis.
Reason (R) : To construct a frequency polygon, we take class marks along $y$-axis and corresponding frequencies along $x$-axis.
- ✓A is true, R is false.
- BA is false, R is true.
- CBoth A and R are true, and R is the correct reason for A .
- DBoth A and R are true, and R is incorrect reason for A .