calculate the mean following data
c-i 50-70 70-90 90-110 110-130 130-150
fi 18 12 13 27 8
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Answered by
1
Answer:
98.71
Step-by-step explanation:
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4
•now ................
here we will use Step Deviation Method to find out the mean of this data frequency table.
here......
therefore......
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