ICSE Class 10 Answered
How to solve the question and plot the graph?
Asked by rashikulkarni28 | 25 Jun, 2022, 06:42: PM
Expert Answer
Let's prepare the frequency table first as shown below:
Marks Class marks(xi) No. of students Cumulative frequency
Frequency (f)
0-10 5 5 5
10-20 15 11 16
20-30 25 10 26
30-40 35 20 46
40-50 45 28 74
50-60 55 37 111
60-70 65 40 151
70-80 75 29 180
80-90 85 14 194
90-100 95 6 200
Upper limits will be plotted on x-axis and y-axis will have cumulative frequency
The points will be (10, 5), (20, 16), (30, 26), (40, 40), (50, 74), (60, 111), (70, 151), (80, 180), (90, 194), (100, 200)
Plot these points on the graph and join them with a smooth curve
Answered by Renu Varma | 26 Jun, 2022, 10:59: PM
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