Consider the following statements pertaining to a frequency polygon of a frequency distribution of a continuous variable with seven class intervals of equal width :
1. The original frequency distribution can be reconstructed from the frequency polygon.
2. The frequency polygon touches the x-axis in its extreme right and extreme left.
Which of the above statements is/are correct?
1
1 only
2
2 only
3
Both 1 and 2
4
Neither 1 nor 2