Think of intersection point more than and less than ogives.
The frequencies of the succeeding classes are added to the frequency of a class.
Along the horizontal axis the limits of the class intervals for an ogive are marked
find out the frequency of each class
The y-axis is observed to find the class interval and the its frequency.
Think if we can find a mean or median form an ogive.
Observe the y-axis to find the number of days.
The cumulative frequency distribution ogive curve is brought with the upper limit and the frequency of the intervals.
Think upon the cumulative frequency.
The axes of a cumulative frequency curve and its type.
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