Sunday, December 12, 2010

Solve it !! if u can !!

In a large sample survey of an examination (say GATE!), 3,140 Students gave
‘Yes’ or ‘No’ answers to each of the first two questions in the question
paper. The following information was extracted from the answer papers.

                                         No. of students answering

                                                  Yes                  No

           Question 1                   1,738               1,402

           Question 2                   1,675               1,465

Analyze the above data to understand whether the  answers to Question 1 are
related to those of Question 2. How to extract information about the number
of students fell into each of four categories answering the two questions
respectively by Yes/Yes, Yes/No, No/Yes and No/No? Construct a suitable
mathematical model for the above situation and discuss the feasibility of
solution.

Courtesy: Suganya

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