B.Com. LL.B. (Five Years) Sem 3 Business Statistics 2021 Oct Question Paper - KSLU

Questions asked in this paper

1. Q1 (a) Define statistics. Explain the scope of statistics.
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2. Q1 (b) Write a note on Tabulation.
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1. Q2 (a) The following data relate to monthly expenditures of two families 'A' and 'B'.
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2. Q2 (b) Draw a Pie chart to represent the following data of the proposed expenditure by the Karnataka Government for the year ended 2020-2021.
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1. Q3 (a) Calculate Mean, Median and Mode for the following data.
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2. Q3 (b) Calculate Geometric Mean from the following data.
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1. Q4 (a) Model marks for a group of 94 students are 54, 10 students got marks between 0-20, 30 students got between 40-60, and 14 students got between 80-100. Find the number of students getting marks between 20-40 and 60-80, if the maximum marks of the test were 100.
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2. Q4 (b) Calculate Harmonic Mean from the following data.
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1. Q5 (a) Compute Quartile Deviation and the co-efficient of Quartile Deviation from the following data.
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2. Q5 (b) Calculate standard Deviation from the following data.
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1. Q6 (a) A Panel of 2 Judges. Mr. A and Mr. B graded seven Dance performances by awarding marks as follows.
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2. Q6 (b) Write a note on Skewness.
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1. Q7 (a) Calculate Karl Pearson's co-efficient of correlation from the following.
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2. Q7 (b) Write a note on Rank correlation.
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1. Q8 (a) Given are the bi-variate data, obtain the two regression equation and calculate X on Y when Y = 14 and Y on X when X = 18.
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2. Q8 (b) From the following, calculate Spearman's rank correlation.
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1. Q9 (a) Price and quantities of the base year and the current year for eight groups of commodities are given below.
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2. Q9 (b) Write a note on Index Number.
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1. Q10 (a) Explain TRT and FRT.
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2. Q10 (b) Write a note on cost of living 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.