Slope of the line passing through the points A ( 2, 3 ) and B ( 3,4 ) is As the

Question

Slope of the line passing through the points A ( 2, 3 ) and B ( 3,4 ) is As the coefficient of correlation r is always between - 1 and 1 inclusive. A correlation coefficient is The moving averages represent If Sx = 2.56, Sy = 15.91, Sxy = 29.59, then correlation Coefficient is A dice is thrown thrice, what is the probability that even number will come each time? Sum of annuity is always The line which passes through points ( - 1. 2 ) and ( 0,2 ) has intercept For a least squares linear trend y = 9 + 6x , the 9 is A single die is rolled. What is the probability of a 2 turning up.

Explanation / Answer

1. b) (4-3)/(3-2) 2. a) negative linear 3. a) they told you the answer in 2 4. a) Moving averages are used with time series data, so I guess that's the answer they are looking for 5. a) Formula is Sxy/(Sx*Sy) 6. c) 1/2*1/2 7. b) sum of annuity isn't a term I'm all that familiar with, but if you add up the payments they represent future rather than present value. 8. c) intercept is where the other coordinate is zero. 9. b) x=0 y=9. 10. a) 1 two, six possibilities

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