HSC Commerce (Marketing and Salesmanship) 12th Board ExamMaharashtra State Board
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# The Following Table Gives the Ages of Husbands and Wives - HSC Commerce (Marketing and Salesmanship) 12th Board Exam - Mathematics and Statistics

ConceptStatistics Bivariate Frequency Distribution

#### Question

The following table gives the ages of husbands and wives

 Age of wives(in years) Age of husbands (in years) 20 - 30 30 - 40 40 - 50 50 - 60 15 - 25 5 9 3 - 25-35 - 10 25 2 35-45 - 1 12 2 45-55 - - 4 16 55-65 - - - 4

Find : (i) The marginal frequency distribution of the age of husbands.
(ii) The conditional frequency distribution of the age of husbands when the age of wives lies between
25 - 35.

#### Solution

 Age of wives(in years) Age of husbands (in years) 20 - 30 30 - 40 40 - 50 50 - 60 15 - 25 5 9 3 - 25-35 - 10 25 2 35-45 - 1 12 2 45-55 - - 4 16 55-65 - - - 4 Total 5 20 44 24

Now, marginal distribution of age of husbands.

 Age (years) 20-30 30-40 40-50 50-60 Total Number 5 20 44 24 93

Now marginal distribution of husband, when the
age of wives lies between 25 – 35

 Age (years) 20-30 30-40 40-50 50-60 Total Number - 10 25 2 37
Is there an error in this question or solution?

#### APPEARS IN

2017-2018 (March) (with solutions)
Question 4.4 | 2.00 marks
Solution The Following Table Gives the Ages of Husbands and Wives Concept: Statistics - Bivariate Frequency Distribution.
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