1.Calculate the mean . ( 3 Marks,)
X 5. 10. 15. 20. 25. 30. 35. 40
F 10 14. 18. 20. 16. 12. 06. 04
Answers
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Step-by-step explanation:
give
5.10.15.20.25.30.35.40
mean=5+10+15+20+25+30+35+40/8
=22.5
again
given
10.14.18.20.16.06.04
mean=10+14+18+20+16+12+06+04/8
=11
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