CBSE BOARD X, asked by ranjutiwari721, 7 months ago

65
B. Find the mean for the following distribution by short cut method:
Numbers
63
60 61 62
40 49
Cumulative frequency
8 18
33
55

Answers

Answered by nabihahsamil246

1

Answer:

median = (first value + last value)/2

(60+66)\2

126\2=63

cummulative frequency= 60+61+62+63=246

Explanation:

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