Question

a graphical representation of grouped data ​

Answer 1

Answer:

A curve that represents the cumulative frequency distribution of grouped data on a graph is called a Cumulative Frequency Curve or an Ogive. Representing cumulative frequency data on a graph is the most efficient way to understand the data and derive results.

Explanation:

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Answer 2

if ans is right give brilliant mark ....

Step-by-step explanation:

A Grouped data can be represented by a histogram. Histogram is a type of bar diagram , where the class intervals are show on the horizontal axis and the height of the bar (rectangle) show the prequency of the class Intervals, but there is no gap between the bar as there is no gap between the class intervals