Practice30Create account

While drawing a frequency polygon over a histogram, how many points are joined if the histogram has 6 bars (without closing at the ends)?

Class 9Frequency PolygonsStatistics and Probability
  • A5
  • B6
  • C7
  • D12

Step-by-Step Solution

One mid-point per bar top is plotted, so 6 bars give 6 points (closing the polygon would add 2 more zero-frequency points).
Answer: B) 6

Master this chapter in 30 minutes a day.

Don't just memorise the answer — build a daily practice habit.

Practice 5 Similar Questions Free →

All Frequency Polygons practice questions

More Class 9 Frequency Polygons practice

A teacher in Pune recorded the daily study time (in minutes) of her Class 9 students:…A shopkeeper in Jaipur records the number of customers per hour in classes of size 10…The heights (in cm) of plants in a school garden in Bhopal are grouped as: 100-120: 5,…A cricket coach in Chennai grouped runs scored by 30 players. To draw a frequency…A frequency distribution of daily wages (in Rs) in a Surat factory has classes 200-250,…