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USN

First Semester MBA Degree Examination, June/Jtiiy 20lG Time: 3 hrs.

Max. Marks:l00

2. Question No. 7 & I are compalsory.

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Differentiate management problem with research problem. Define 1'1chi-square) test. Mention the steps involved in chi-square test. State and explain the contents of rcport writing in detail.

a.

Define the term skewness. (03 Marks) State the procedure of hypothesis testing. (07 Marks) Calculate Karl Pearson's coefficient of correlation between expenditure on advertising and sales from the data d eiven vcn bel Detow: Advertisement expenditure (t 000') 39 78 65 62 90 82 75 25 98 36

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(07 Marks)

25

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4 data, obtain the two regression equations:

(10 Marks)

Find the standard deviat run oy th l.ne oevlauon n'letnoo thod Ior for tne the lollowm follo (05 Marks) da a Class interval 0 - l0 r0 - 20 2A 30 30-40 40-50 s0-60 60-70 -' Frequency 6 t4 l0 8 I J 8 In a sample of 500 people from the Karnataka village, 280 persons are found to be ragi eaters and the rest are rice eaters. Can we assume that both the food articles are equally popular? (Table value Z: 2.58) (05 Marks) Two rand om sam es were clrawn trom fr he normal popu lation and their values are: the

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X 6 2 t0 4 8 Y 9 t1 5 8 7 Also, estimate Y when X is equ al to 20.

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What is sampling and non-santpling errors? (03 Marks) Determine the missing fi'equency if the class interval 15-20, the mean being 19 units.

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Quantitative Methods -

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75

76

82

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93 95 97 Test whether the two samples have the same variance @ 5% level of significance.

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(10 Marks)

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Explain the steps involved in a research design. Briefly explain the literature review and its importance. Calculate quartiles uarules Irom from tne the Ioilowlng followins da oar.a'. Class interval 0 - r0 t0-20 20 30 30-40 40-s0 .l Frequency J B 20 t2 7

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(05 Marks) (05 Marks) (10 Marks)

For More Question Papers Visit - www.pediawikiblog.com 12MBA13 Explain Type I and Type II errors. (05 Marks) What is ANOVA? Mention its assumptions. (05 Marks) Given below is the frequency distribution of the marks obtained by 90 students. Compute mean, median and mode. (10 Marks) Marks No. of students Marks No. of students 20 30 60-70 2 t8 30-40 t2 70-80 t0 40

50

15

s0-60

20

80-90 90

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InZ-test, the table value is 1.96 and computed value is 2.0. State the regult of hypotl!r#;.u.,

b.

The impact of advertisement on sales is to be analyzed, suggest the tools used and why. (05 Marks) The sales of TATA-Nano car for the last 5 years is available and is it possible to forecast the future sales and how (05 Marks) price Petrol is hiked by 6 pm. On the same day by 9 pm news the opinion of public on hike has to be telecasted in Chandana TV. Suggest the process of research design. (05 Marks)

Explain various methods of data collection. a Questionnaire to the research problem "lmpact Academic Environment".

Design

(10 Marks)

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mobile phone usage on

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(10 Marks)