B.Com. LL.B. (Five Years) Sem 3 Business Statistics 2024 Aug Question Paper - KSLU

Questions asked in this paper

UNIT - 1

1. Q1 (a) Define statistics. Explain the characteristics of statistics.
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2. Q1 OR Present the following data by a percentage bar rectangular diagram.
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3. Q1 (b) Explain the limitations of statistics.
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4. Q1 OR Present the following business statistics results of 2nd B.Com.LL.B. held during December 2016, 2017 and 2018 by means of multiple bars.
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UNIT - 2

1. Q2 (a) Find the geometric mean and harmonic mean from the following distribution.
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2. Q2 OR From the following data calculate mean, median and mode.
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3. Q2 (b) Explain the various measures of central tendency.
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4. Q2 OR The mean weight of 100 students in a class is 60 kgs. The mean weight of boys in the class is 65 kgs. and that of girls is 55 kgs. Find the number of boys and girls in the class.
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UNIT - 3

1. Q3 (a) Following are the runs scored by batsmen in a cricket match. Find the mean deviation and coefficient of mean deviation from mean and median.
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2. Q3 OR The scores of two batsmen A and B in ten cricket matches is given below.
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3. Q3 (b) You are given X̄ = 50, C.V. = 40% and coefficient of skewness = -0.4. You are required to find out standard deviation, mode and median.
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4. Q3 OR Write a note on skewness.
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UNIT - 4

1. Q4 (a) Calculate correlation coefficient for the following X and Y series :
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2. Q4 OR From the following data, obtain the two regression equations.
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3. Q4 (b) Write a note on Spearman's coefficient of rank correlation.
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4. Q4 OR Obtain the regression equations from the following :
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UNIT - 5

1. Q5 (a) Using the data given below, calculate price index number for the year 2018 by (i) Laspeyre's formula (ii) Paasche's formula and (iii) Fisher's formula with the year 2009 as base.
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2. Q5 OR An enquiry into the budgets of the middle class families in Mumbai gave the following information.
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3. Q5 (b) Construct Fisher's index for the following data and verify whether it satisfies TRT and FRT.
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4. Q5 OR What is index number ? Explain the advantages of index number.
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Typed from the KSLU paper above. The paper is the original. Long reading passages are shortened here to their first and last lines and a summary.