An I.Q. test was administered to 5 persons before and after they were trained. The results are given below : Candidates A C E 120 123 132 125 I.Q. before training 1.Q. after training 110 120 118 125 136 121 Test whether there is any change in I.Q. after the training programme. [For v = 4, to.o1 = 4.6]

Q: Overview Why do we use multiple regression? This statistical technique is used to determine the rela...

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Q: evaluate this (combination topic) P(10,2) / C(10,2)

A: We know that P(n, r) = n!/(n - r)! And  C(n, r) = n!/(r! × (n - r)!)

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A: Solution: Central Limit Theorem:  The central limit theorem states that for repeated sampling the sa...

Q: Assume that a fair die is rolled. The sample space is , 1, 2, 3, 4, 56 , and all the outcomes are e...

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Q: Let X be a continuous random variable with the following PDF: 0 } Find the CDF of Y.

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Q: Let the sample space s of a random experiment be the numbers 1 through 10. {1,2,3,4,5,6, 7, 8, 9, 10...

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Q: Problem 4 Let X be a continuous random variable with PDF (# (2=+) (2z + ) 0 < r <1 fx(x) = otherwise...

A: Farmula used  V(Y)=E(Y2)-[E(Y)]2  

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Q: Surveys always provide data that is 100% accurate from feedback from participants True or False

A: False, Surveys not always provide data that is 100% accurate from feedback from participants.

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Q: . An IQ test was administered to 5 persoIs before and after they were trained. The results are given...

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Q: A sample of 400 students of under-graduate and 400 students of post-graduate classes was taken to kn...

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