Math, asked by choti384252, 5 months ago

answer this fast please I will mark you branliest

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Answered by SandeepAW

0

Answer:

classes. Frequency(f). x. f(x).

0-20. 15. 11. 15×11=165.

20-40. 18. 31. 18×31=558.

40-60. 21. 51. 21×51=1071.

60-80. 29. 71. 29×71=2059.

80-100. 17. 91. 17×91=1547.

give me some time please.

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