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3. 3 people in a room weigh 140, 165, and 190 pounds, respectively. If someone who weighs 165 pounds enters the room, what ha

math   Statistics-And-Probability   
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Answer #1

(xiy 625.0000 0.0000 625.0000 1250.0000 (X-X) 25.000 0.000 25.000 S.No 140.000 165.000 190.000 1 2 Ex 495 Ji 165.000 s-(x-)/

after a person with 165 pouinds enters:

(xiy 625.0000 0.0000 CCNKNI 625.0000 1250.0000 416.667 (X-X) 25.000 0.000 0.000 S.No 140.000 165.000 165.000 190.000 1 2 4. 2

hence we can see that average weight will remain same =165

the median weight will remain same =165

Variance of the weight will reduces.

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