Draw ogives (Cumulative frequency curves) for the data given here:
Class interval
frequency
1000−1100
52
1100−1200
35
1200−1300
25
1300−1400
14
1400−1500
41
1500−1600
33
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Q3
Draw the Ogive for the following data:
Weight (in ₹)
No. of workers
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Q4
Below is the given frequency distribution of words in an essay:
Number of Words
Number of Candidates
600−800
14
800−1000
22
1000−1200
30
1200−1400
18
1400−1600
16
Find the mean number of words written
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Q5
The monthly income (in rupees) of 7 households in village are 1200,1500,1400,1000,1000,1600,10000. (i) Find the median income of the house holds. (ii) If one more household with monthly income of Rs. 1500 is added, what will the median income be?