Business Statistic Exam Paper

UNIVERSITI
TEKNOLOGI P E T RO NA S

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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

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GAB2013/ B2133 SM Answerany FIVE(5) questions.

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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

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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

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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]