Rs.500.00

Business Statistics-1st-2016-NMIMS

Business Statistics-1st-2016-NMIMS
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Q1. Explain the calculation and utility of standard deviation and standard score (Z) with an example for each. (10 marks)
Q2. The student scores in an examination are 25, 30, 35, 36, 40, 44, 46, 54, 64, 75, 65, 60, 80, 85, 90, 95, 46, 50, 65, 50. The daily pocket money (in Rs.) for the same students (respectively) are 100, 120, 125, 150, 150, 150, 150, 200, 200, 150, 200, 250, 300, 250, 500, 250, 300, 500, 400, 500.
Find the following:- Pearson’s Correlation coefficient, Regression of scores on pocket money, Regression of pocket money on scores. (10 marks)
Q3. (a) Explain Bayes’ Theorem with an example. Is it applicable in case of independent events? (5 marks)
Q3. (b) Two cards were drawn, without replacement, from a pack of 52 cards. What is the probability that they are both Aces? What is the probability for the same case if the cards were drawn with replacement?
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