2. a. Distinguish between correlation and regression analysis. [2]b. The following table gives the age of cars of certain make and the annual maintenanceCosts. Find the coefficient of correlation and interpret its result. (5)Age of cars(in years) Maintenance costs(in thousand Rs.)3 104 206 308 3810 4513 55c. On New Year's Eve, the probability of a person having a car accident is 0.06. The probabilityof a person driving while intoxicated is 0.36 and probability of a person having a car accidentwhile intoxicated is 0.15. What is the probability of a person driving while intoxicated or havinga car accident? [3] 2. a. Distinguish between correlation and regression analysis. [2]b. The following table gives the age of cars of certain make and the annual maintenanceCosts. Find the coefficient of correlation and interpret its result.Age of cars(in years)(5)Maintenance costs(in thousand Rs.)3104203083810455513c. On New Year's Eve, the probability of a person having a car accident is 0.06. The probabilityof a person driving while intoxicated is 0.36 and probability of a person having a car accidentwhile intoxicated is 0.15. What is the probability of a person driving while intoxicated or havinga car accident? []

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2. a. Distinguish between correlation and regression analysis. [2]

A First Course in Probability (10th Edition)

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Author:Sheldon Ross

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Chapter1: Combinatorial Analysis

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Question

2. a. Distinguish between correlation and regression analysis. [2]
b. The following table gives the age of cars of certain make and the annual maintenance
Costs. Find the coefficient of correlation and interpret its result. (5)
Age of cars(in years) Maintenance costs(in thousand Rs.)
3 10
4 20
6 30
8 38
10 45
13 55
c. On New Year's Eve, the probability of a person having a car accident is 0.06. The probability
of a person driving while intoxicated is 0.36 and probability of a person having a car accident
while intoxicated is 0.15. What is the probability of a person driving while intoxicated or having
a car accident? [3]

Definition Definition Relationship between two independent variables. A correlation tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.

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