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Question
Explanation of mode with grouping method in continuous series .
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Solution
1) Draw a histogram of given distribution
2) Inside the highest rectangle, which represents maximum frequency, (or modal class), draw two lines, AC and BD diagonally from upper corners C and D of adjacent rectangles.
3) Through point K (point of intersection of diagonals AC and BD), drop a perpendicular to x-axis.
4) Find the value of point on x - axis. This represents the mode = 53 in above case.
5) Modal class = 50 - 60 in this case.
1) Draw a histogram of given distribution
2) Inside the highest rectangle, which represents maximum frequency, (or modal class), draw two lines, AC and BD diagonally from upper corners C and D of adjacent rectangles.
3) Through point K (point of intersection of diagonals AC and BD), drop a perpendicular to x-axis.
4) Find the value of point on x - axis. This represents the mode = 53 in above case.
5) Modal class = 50 - 60 in this case.
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