Explain the following by giving suitable examplesa) Frequency poly

Question

Explain the following by giving suitable examples

a) Frequency polygon

b) Predictive Value

c) Power of test

d) Histogram

06 Jan 2025

Answer :

Word Count : 437

a) A frequency polygon is a graphical representation of a frequency distribution. It is created by plotting the midpoints of each class interval on the x-axis and the corresponding frequencies on the y-axis, then connecting the points with straight lines. The frequency polygon is used to visualize the shape of the distribution and identify patterns, such as whether the data is symmetric, skewed, or has multiple peaks.

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