The number of sick days taken (per month) by 200 factory workers is summarized below. Number of Days Frequency 0 − 5 110 6 − 10 65 11 − 15 15 16 − 20 10

Q: dx .2 О . 2.25 O b. -2.75 Ос.-2.25 O d. 3

A:

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Q: 3X-1 xp +4

A: Follow the procedure given below.

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Q: 10

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Q: T. 92일

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Q: N. 15 9. 12 P.

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A: