-777
12
Class interval 10-20 20-30 30-40 40-50 50-60 60-70 70-80 80-90 90-100
Frequency 8 7 12 23 11 13 8 6 12 find the mean
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2
Answer:
23 is the correct answer
please set me Brainlist
Answered by
1
Answer:
23 is the correct answer
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