A survey was conducted among the residents of Pune City, its suburbs and the Pune Cantonment area. The following three pie diagrams show their respective preferences for living in City, Suburb and cantonment.

Questions:
1. Do you see similar preference distribution in the three groups of residents?
2. Which residents are most happy about where they are actually living?
3. Which residents are the least happy about where they are actually living?

2. Description

Suppose you are doing market research for a company that sells automotive accessories. You are interested in the types of cars driven by customers of a particular mall. On one particular day, you count the following types of cars in the lot:

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Family car                   Economy car               Economy car               Utility van

Family car                   Wagon                         Wagon                         Wagon

Sports car                    Economy car               Utility van                   Family car

Pickup truck                Utility van                   Sports car                    Utility van

Wagon                         Wagon                         Wagon                         Family car

Pickup truck                Utility van                   Sports car                    Utility van

Economy car               Economy car               Utility van                   Sports car

Utility van                   Sports car                   

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Questions:

1. Prepare appropriate frequency distribution

2. Represent above data by suitable graph

3. Description:

In a series of four one day cricket matches, Sachin and Sourav Scored as follows:

Sachin:            99                    116                  95                    110

Sourav:       110                       145*                40                      20

* : not out

Question: If you have to select the ‘Man of the Series' out of these two only whom will you select? Why?

4. Description

Following are the data on height of father (X) and height of son (Y)

Questions

(a) Plot these data and comment on the nature of relationship between the two variables under consideration.

(b) Find correlation between (X, Y).

5. Using the data in Q. 4 above, find regression equation of height of son on father's height.