B.Com. (Financial Management) SEM II 2021 2022 May 2022 BUSINESS STATISTICS Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q1 Fill in the blanks by choosing correct option: 40 marks
   • A. Primary data as compared to secondary data is
   • b) More reliable d) sometimes more reliable and sometimes less reliable
   • B. The objective of diagrammatic representation of data is
   • a) Condensation c) presentation
   • b) Summarization d) Analysis
   • C. Which of the following is an advantage of sampling? Which of the following is not a source of secondary data?
   • a) Data obtained from newspapers c) reference books
   • E. Tally sheet is used to
   • F. Mode can be obtained graphically using
   • G. Mean is a measure of
   • H. The value of middle item when data is arranged in increasing order is
   • a) mean c) mode
   • b) median d) range
2. Q1 Measurement based on all data values is
   • J. Median of 7, 8, 3, 4, 2, 5 is
   • a) 1*50% of the series c) middle 50% of the series
   • b) Last 50% of the series d) highest value-lowest value
   • L. Which measure of dispersion is fastest to calculate?
   • M. If variance is 4, then the standard deviation is
   • N. Coefficient of range of the data 10, 30, 5, 25, 35 is
   • O. If tirst quartile is 30 and third quartile is 50, then quartile deviation is
   • P. If variable Y tends to decrease as variable X decreases then there is
   • a) Negative correlation c) No correlation
   • Q. Day temperature and sale of woolen clothes will show
   • a) Positive correlation c) no correlation
   • R. Scatter diagram is used to study
   • a) Measure of centraltendency correlation
   • b) Measure of dispersion d) regression
   • S. If we are given two regression lines then we can obtain
   • a) Both mean and correlation coefficient Both mean and both standard deviation
   • c) Only one mean and both standard deviation
   • d) Both means and only one standard deviation
   • T. If two regression coefficients are 0.8 & 0.2 then the value of correlation coefficient is
3. Q2 Attempt any one. 7 marks
   • A. Define statistics. Write 5 functions of Statistics
   • B. Draw histogram.and frequency polygon for the following data:
4. Q3 Attempt any one. 7 marks
   • A. Find arithmetic mean and mode for following data:
   • B. Calculate fourth decile for given data:
5. Q4 Attempt any one. 7 marks
   • A. The data given below is of wages of workers. Find out which group is more consistent
   • B. Find inter-quartile range for the following data:
6. Q5 Attempt any one. 7 marks
   • A. Find the two regression equations for the given data Correlation coefficient(r) is 0.53
   • B. Calculate the Karl Pearson correlation coefficient for the following data:
7. Q6 Write a short note on the followings. (Any two) 7 marks
   • a) Positive and negative correlation
   • b) Requisites of good measure of central tendency
   • c) Limitations of Statistics
   • d) Primary and secondary data and of van

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