1. hasnain baber (c)

2. hasnain baber (c)

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5. hasnain baber (c)

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10. hasnain baber (c)

11. hasnain baber (c)

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14. hasnain baber (c)

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17. hasnain baber (c)

18. hasnain baber (c)

19. The mean of 200 items was 50. Later on it was discovered that two
items were misread as 92 and 8 instead of 192 and 88. Find out the
correct mean.
hasnain baber (c)

20. hasnain baber (c)