Solve the mean and variance of the following set problems. 1. X 0 1 2 3 P(x) 0.11 0.22 0.33 0.25 2. X P(x) 0 0.05 1 0.13 2 0.31 3 0.30 4 0.14 4 0.09 5 0.07

Q: Class LB 28 30 27.5-30.5 31-33 30.5-33.5 34-36 33.5-36.5 36.5-39.5 37-39 40-42 39.5-42.5 43 45…

A: (18) we have given that,  Class LB frequency CF 28 - 30 27.5 - 30.5 8 8 31 - 33 30.5 - 33.5 8…

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Q: In a survey of 2268 adults in a recent year, 1423 say they have made a New Year's resolution.…

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Q: Class LB 28-30 27.5-30.5 31-33 30.5-33.5 34-36 33.5-36.5 37-39 36.5-39.5 40-42 39.5 42.5 43-45…

A: We have given that,  Class LB frequency CF 28 - 30 27.5 - 30.5 8 8 31 - 33 30.5 - 33.5 8 16…

Q: 16. Solve for Quartile 3. (Approximate value: round off to the nearest hundred Class LB Frequency CF…

A: (16)  We have given that,  Class LB frequency CF 28 - 30 27.5 - 30.5 8 8 31 - 33 30.5 - 33.5…

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Q: Class LB 28 30 27.5-30.5 31-33 30.5-33.5 34-36 33.5-36,5 37-39 36.5-39.5 40-42 42 39.5-42.5 4345…

A: (17)  We have given that,  Class LB frequency CF 28 - 30 27.5 - 30.5 8 8 31 - 33 30.5 - 33.5…

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