for the following data draw less than ogive and hence find the median of the distribution table
Answers
Median = 34
Step-by-step explanation:
Age f cf ( Less than)
0 - 10 5 5
10 - 20 15 20
20 - 30 20 40
30 - 40 25 65
40 - 50 15 80
50 - 60 11 91
60 - 70 9 100
Median = 30 + 10 * (50 - 40)/25
= 30 + 4
= 34
Less than ogive
The points with the upper limits of the class are plotted on x axis and the corresponding less than cumulative frequencies on y axis.
The points are joined by free hand smooth curve to give less than cumulative frequency curve or the less than Ogive
More than ogive
The points with the Lower limits of the class are plotted on x axis and the corresponding more than cumulative frequencies on y axis.
The points are joined by free hand smooth curve to give more than cumulative frequency curve or the More than Ogive
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Answer:
median= 34
Step-by-step explanation: