SET A
Unique Paper Code : 62273506
Name of the Paper : DATA ANALYSIS (SKILL ENHANCEMENT COURSE)
Name of the Course : B.A.Programme (CBCS)
Semester : Semester V
Duration : 3 hours
Maximum Marks : 75 Marks
Instructions for Candidates:
1. Write your roll number on the top immediately on receipt of this question paper .
2. All questions carry equal marks(18.5 marks each)
3. Attempt any four questions.
4. Note: Answers may be written either in English or Hindi; but the same should be used throughout the paper.
1.(a) Discuss the merits and demerits or arithmetic mean and median . 5
(b) Find the missing frequency for the given data if mean of the distribution is 36. 7
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Wages(in Rs.)| 10-20 | 20-30 | 30-40 | 40-50 | 50-60 | 60-70 |
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No.of workers| 3 | 10 | x | 4 | 6 | 2 |
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(c) Calculate mean deviation and quartile from the following data : 6.75
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Marks| 0-10 | 10-20 | 20-30 | 30-40 | 40-50 | 50-60 | 60-70 |
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No.of
Students | 4 | 6 | 10 | 20 | 10 | 6 | 4 |
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2. (a) What do you understand by dispersion ? Explain briefly the various methods for measuring dispersion .
(b) The number of employees, wages per employee and the variance of the wage per employee for factories are given below :
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|_______________________________Factory A _______________Factory B ________________________|
|No.of Employees 50 100 |
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|Avg. wages per 120 85 |
employee per
month (Rs)
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| Vairance of the 9 16 |
wages per employee
per month
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In which factory is there greater variation is the distribution of wages per employee?
(c) Calculate the value of mode from the following distribution 5
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Wages I 20-25 | 25-30 | 30-35 | 35-40 | 40-45 | 45-50 | 50-55 | 55-60 |
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No.of
workers | 40 | 60 | 90 | 170 | 140 | 110 | 60 | 50 |
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3. (a) Explain the salient features of normal probability distribution . 5
(b) The coefficient of correlation between two variables X and Y is 0.64. Their covairence is 16. The varience is 9 . Find the standard deviation of Y series . 5
1 Comments
Can we get the answer key of question paper
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