Find the values of p, q, r and s in the given cumulative frequency distribution. xfrequencyCumulativefrequency103p=−−−−1510q=−−−−2025r=−−−−257s=−−−−30550
A
p = 0, q = 10, r = 35, s = 42
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B
p = 3, q = 13, r = 28, s = 35
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C
p = 3, q = 13, r = 35, s = 42
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D
p = 3, q = 13, r = 38, s = 45
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Solution
The correct option is D p = 3, q = 13, r = 38, s = 45 As cumulative frequency is the sum of all previous frequencies up to the current point,