Q.1. Based on the questions provided, interpret them
Comment on the following statements bringing out clearly the fallacy occurring in
them.
(a) In a factory, the labour union asked for increase in salaries because they claim
that 50% of the employees get less than Rs 800 per month. The management claims
that there is no case for increase in salaries because the average salary of the
employees is Rs 1200 per month. Which view will you support and why?
[5 Marks]
(b) „The number of Bus accidents committed in a city in a particular year by women
drivers is much less than committed by male drivers.? Hence women are safe
drivers? [5 Marks]
Q.2 a. Present the following information in a suitable tabular form supplying the
figures not directly given.
In 1989, out of 2,000 workers in a factory, 1550 were members of a trade union. The
number of women workers employed was 250, out of which 200 did not belong to
any trade union.
In 1990, the number of union workers was 1725 of which 1600 were men.
The number of non-union workers was 380, among whom 155 were women.
[5 marks]
b. What are the characteristics of a good measure of central tendency? [5 Marks]
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Bachelor of Business Administration-BBA Semester II BB0010 –Quantitative Techniques in Business– 4 Credits (Book ID: B0092) Assignment Set-1 (60 Marks) Note: Each question carries 10 Marks. Answer all the questions. Q.1. Based on the questions provided, interpret them Comment on the following statements bringing out clearly the fallacy occurring in them. (a) In a factory, the labour union asked for increase in salaries because they claim that 50% of the employees get less than Rs 800 per month. The management claims that there is no case for increase in salaries because the average salary of the employees is Rs 1200 per month. Which view will you support and why? [5 Marks] (b) „The number of Bus accidents committed in a city in a particular year by women drivers is much less than committed by male drivers.? Hence women are safe drivers? [5 Marks] Q.2 a. Present the following information in a suitable tabular form supplying the figures not directly given. In 1989, out of 2,000 workers in a factory, 1550 were members of a trade union. The number of women workers employed was 250, out of which 200 did not belong to any trade union. In 1990, the number of union workers was 1725 of which 1600 were men. The number of non-union workers was 380, among whom 155 were women. [5 marks] b. What are the characteristics of a good measure of central tendency? [5 Marks] Q.3. The means of two samples of sizes 50 and 100 respectively are 54.1 and 50.3 and the standard deviations are 8 and 7. Find the mean and standard deviation of the sample of size 150 obtained by combining the two samples. [10 marks] Q.4.The coefficients of variation of two series are 66% and 80% and their standard deviation are 20 & 16 respectively. Find their arithmetic means. ( ¯= 30.3 and ¯ ) [10 Marks] Q5. Explain in detail the different types of Index numbers, and what are the uses of Index numbers? [10 Marks] 6.a. It was found that when a manufacturing process is under control, the average number of...