Business Statistic

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UNIVERSITI TEKNOLOGI P E T RO NA S @t C OU R S E DATE TIME . GA B 2O13 B2133BUSINESS / SM STATISTTCS / QUANTITATIVE METHOD 27 MAY2008(TUESDAY) 2 . 3 0PM- 5. 30PM ( 3 hour s) INSTRUCTIONS CANDIDATES TO 1. 2. 3. 4. 5. Answer FIVE(5)outof SIX(6)questions theQuestion from Booklet. BeginEACHanswer a newpagein theAnswer on Booklet. lndicate clearly answers arecancelled,any. that if Whereapplicable, showclearly stepstakenin arriving the solutions at and indicate ALL assumptions. Do notopenthisQuestion Booklet until instructed. Note : ii. Thereare TWELVE(12)pagesin this Question Booklet including thecoverpage. Formula booklet be provided. will Univ er s j- t l Teknologi PETRONAS UNIVERSITI TEKNOLOGI P E T RO NA S @t C OU R S E DATE TIME GA B 2O13 82133. / SM BUSINESS STATISTICS / QUANTITATIVE METHOD 27 MAY2008(TUESDAY) 2 . 3 0PM- 5. 30PM ( 3 hour s) INSTRUCTIONS CANDIDATES TO 1. 2. 3. 4. Answer FIVE(5)outof SIX(6)questions theQuestion from Booklet. BeginEACHanswer a newpagein theAnswer on Booklet. lndicate clearly answers arecancelled,any. that if Whereapplicable, showclearly stepstakenin arriving the solutions at and indicate ALL assumptions. Do notopenthisQuestion Booklet until instructed. 5. Note : ii. Thereare TWELVE(12)pagesin this Question Booklet including thecoverpage. Formula booklet be provided. will Univ er s it l Teknologi PETRONAS a GAB2013/ B2133 SM Answerany FIVE(5) questions. ,r,”/ I , ,/l / U_/ TABLE Ql reportsa frequency distribution mobilephone bills for a of sample 50 students Perakduringthe monthof April2008. of in T A BLEQl: M obile Phone Bills Amount(RM) 8 0 u p to 1 0 0 Frequency | | 3 100upto 120 1 2 0u p to 1 40 1 4 0 u p to 1 60 1 6 0u p to 1 80 1 8 0u p to 2 00 I | | | | 8 12 16 7 4 questions. Basedon the abovedata,answer following the i. phone th C a l cu l a te e me a nof the m obile bills. 3 marks] ii. the Calculate standard deviation. [3 marks] iii. Use the Empirical Ruleto estimate proportion billswithintwo the of standard deviations the mean. Whatare theselimits? of i o ‘ iV *i ‘tzd tr, – t3 marksl 2 ‘ , GAB2013/ B2133 SM t – (i iv. According Chebyshev to Theorem leastwhat percent the bills at of w i l ll i e b e tw e e n M 101 and 180. 56? R . 84 [3 marks] v. Calculate rangeof the sample? the [2 marks] vi. youranswer. Whatis the mode? Interpret [2 marks] v i i. yo C o mp a re u r ca l culated ean and m ode. W hat conclusion m can you makewith regards the skewness? to [2 marksj viii. Whatis the probability a student’s will exceedRM 160? that bill [2 marks] L GAB2013/SM B2133 2. a. purchased typesof mutual An investor two fund namelylttikal Fund and lslamicDividend Fund. The objective was to achievesteady growth capital overthe medium longterm periodby investing a to in portfolio investments of that complywith ShariahPrinciples. The probabilitythat the funds will appreciate are 0.

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