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7th July 2018, 02:14 PM
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| Re: UNIRAJ Old Papers
The Rajasthan University is provides old question papers in examination section. The Rajasthan University Book Previous Papers play a key role in the preparation for exams. Test papers help to understand the exam pattern easily. These are also helpful to find the most trending topics for the exam. The following courses are currently offered in this university. Faculty of Arts Bachelors B.A. Part-I B.A. Part-II B.A. Part-III B.A. (Hons.) Part-I B.A. (Hons.) Part-II B.A. (Hons.) Part-III Diploma and Certificate Courses in Arts Diploma,Certificate & B.A. Courses in French Get download University of Rajasthan old question papers:  UNIRAJ M.com (Previous) EXAMINATION, (Accountancy and business statistics) Compulsory Paper I ADVACED BUSINESS STATISTICS Maximum Mark : 100 Attempt five questions in all, selection at least one question from each Section. All questions carry equal marks. Section A 1. (a) Describe the addition and multiplication rules of probability with and example of Each case. [ MARKS 5] (b) In a randomly selected leap year what is the probability that there are 53 Sunday Or 53 Wednesday. [ MARKS 5] (c) A problem in statistics is given to three students, whose chances of solving it correctly Are , 1/3 and respectively. What is the probability that the problem will not be solved ? [ MARKS 5] (d) In how many ways can a vowel and a consonant be selected out of the letters of word 'COURAGE' ? [ MARKS 5] 2. (a) A decision problem has been expressed in the following Pay-off table : Pay-off Table State of Nature Alternatives a1 a2 a3 E1 3,800 3,720 3,640 E2 3,280 3,240 3,320 E3 2,840 2,880 3,480 What will be the manager's decision if he uses the following criteria ? [ MARKS 8] (I) Maxi-max; (II) Maxi-min; (III) Mini-max regret; (IV) Hurwitz criterion with c = 0.7. (b) The overall pass percentage in certain examination is 70. What is the probability that at least 4 Candidates would pass the examination out of a group of 6 candidates ? [ MARKS 8] (c) Find the binomial distribution if the mean is 48 and standard deviation is 4. [MARKS 4] 3. Fit a normal curve for the following data and find out theoretical frequencies ( = 11.57) [Marks: 20] Weight (kg) Number of Students 20-30 7 30-40 10 40-50 20 50-60 18 60-70 7 Section B 4. (a) A sample of size 10 is found to have mean of 3.24 cm. Could it be regarded as a sample From a large population whose mean is 2.74 cm. and standard deviation is 2.5 cm. at 5 per-cent level of significance ? [MARKS 10] (b) Will your answer differ in case you test it at 99 percent level of confidence ? [MARKS 5] (c) What is central limit theorem ? [MARKS 5] 5. Differentiate between the following : [MARKS 5+5+5+5] i. type I error and type II error ; ii. Point estimate and Interval Estimate; iii. Parameter and Statistics; iv. Null Hypothesis and Alternative Hypothesis. 6 . Set up a two way ANOVA table for the data given below. Use coding method subtracting 40 from the given numbers : Plots Treatments A B C D P 45 40 38 37 Q 43 41 45 38 R 39 39 41 41 Test two hypotheses, first hypotheses for treatments and second hypotheses for plots. [MARKS 20] Section C 7. Find out trend values on the basis of parabolic curve of second order from the data given below And forecast the value for 2010 : [MARKS 16+4] Year Sales (RS`in crores ) 2005 10 2006 12 2007 13 2008 10 2009 8 8. (A) In an examination in which 500 candidates appeared, boys outnumbered girls by 14 % Of all candidates. Number of passed candidates exceeded number of failed candidates by 300. Boys Failing in examination numbered 80. Calculate Yule's coefficient of association between boys and Success in examination. [MARKS 15.] (b) Distinguish between association of attributes and correlation. [MARKS 5.] 9. (a) compute the two regression coefficients using the values of actual means of X an Y from the data Given below, then work out the value of correlation coefficient : [MARKS 15.] X Y 7 6 4 5 8 9 6 8 5 2 (B) What do you mean by partial correlation ? How is it different from multiple correlation ? [MARKS 5.] |