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Re: Annamalai University Business Mathematics And Statistics
As you want I am here providing you sample paper of the Business Mathematics & Statistics subject of the M.B.A. Financial Management (E.M.) course of the Annamalai University. BUSINESS MATHEMATICS & STATISTICS paper Register Number: 4733 Name of the Candidate: M.B.A. DEGREE EXAMINATION, 2007 (ENGLISH MEDIUM) (FIRST YEAR) PAPER IV 140. BUSINESS MATHEMATICS AND STATISTICS Dec.) (Time: 3 Hours Maximum: 75 Marks PARTA (5Ă—3=15) Answer any FIVE questions All questions carry equal marks 1. a) What is Matrix? b) What is adjoint matrix? c) What do you mean by Probability Distribution? d) What is variance? e) What do you mean by â€oestatistical hypothesisâ€ f) What do you mean by Linear Model? g) What do you mean by dependent and independent? h) What is Bayeâ€™s principles? i) What is chisquare test? PARTB (3Ă—10=30) Answer any THREE of the following All questions carry equal marks 2. The annual sales of Mobile of Brand X (in crores of rupees) are summarized below. Year (x) 1 2 3 4 5 6 7 Annual Sales (Y) 12 16 15 18 23 26 30 Fit a regression model to estimate the annual sales. 3. If a coin is tossed for 30 times: a) What is the probability of having No. heads? b) What is the probability of having 10 heads? c) What is the probability of having at most 3 heads? 4. If A = (12,1,4,5) B=(5,3,6,7,8,1,10), C=(4,8,1,2,3,9) find the following. a) A (B C) (b) A (B C) 5. What is ANOVA? Explain its types? 6. What is chisquare test? Explain its uses and limitation. PARTC (2Ă—15=30) Answer any TWO questions, ALL questions carry equal marks. 7. Briefly discuss the â€oeTIME SERIES STATISTICAL QUALITY CONTROLâ€ with suitable examples. 8. The R& D manager of a manufacturing firm is in a state of dilemma whether the sales revenue (crores of rupees) is affected by sales region. Because, there might be variability from one period to another period, he decides to use the Randomized complete Block Design. The corresponding data are presented below: a) Write the corresponding model. b) Check whether each component of the model has effect on the sales revenue at a significance level of 5%. 9. The annual sales revenue (in crores) of a product as a function of sales force (number of sales man) and annual advertising expenditure (In Lakhs of rupees) for the past 7 years are summarized below. Design the regression model to forecast the annual sales revenue of the product. Annual Sales revenue (x) Sales force (x1) Annual advertising expenditure (x2) 20 23 25 27 21 29 22 8 13 8 18 23 16 10 28 23 38 16 20 28 23 10. Briefly explain the steps of constructing P& C chart, using a Suitable Example. Subjects of M.B.A. Financial Management (E.M.) course: 110  PRINCIPLES OF MANAGEMENT 120  FINANCIAL MANAGEMENT 130  HUMAN RESOURCE MGT. 140  MARKETING MANAGEMENT 150  FINANCIAL & MGT. ACCOUNTING 160  BUSINESS MATHEMATICS & STATISTICS 170  PRODUCTION & MATERIALS MGT. 180  MANAGERIAL COMMUNICATION 210  MANAGEMENT OF FINANCIAL SERVICES 220  INTERNATIONAL FINANCE 230  FINANCIAL ANALYSIS & INDUS. FINANCING 240  MGT. OF FUNDS & ASSETS 250  INVESTMENT, SECURITY & PORTFOLIO MGT. 260  STRATEGIC MANAGEMENT 270  EBUSINESS 280  BUSINESS RES. METHODS Address: Annamalai University Annamalai Nagar, Chidambaram, Tamil Nadu 608002 04144 238 282 Map: 
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