Practice30Create account

The point used at the top of each histogram bar to start a frequency polygon is located:

Class 9Frequency PolygonsStatistics and Probability
  • AAt the mid-point of the top edge of the bar
  • BAt the top-left corner of the bar
  • CAt the top-right corner of the bar
  • DAt the base centre of the bar

Step-by-Step Solution

The mid-point of the top side of each rectangle (bar) is taken; joining these gives the polygon.
Answer: A) At the mid-point of the top edge of the bar

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 frequency polygon is most useful when we want to:While drawing a frequency polygon over a histogram, how many points are joined if the…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,…