BCom Environmental Management SEM II 2021 2022 May 2022 EME BUSINESS STATISTICS Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q1 Multiple Choice Questions 40 marks
2. Q1 The measurement based on two values of the data is
3. Q2 Which average is affected most by extreme values?
4. Q3 Correlation coefficient lies between
   • (i) More than 1 (ii) less than -1 (iii) -1 & +1 (iv) more than 0
5. Q4 The two regression coefficients are 2 & 0.45, hence correlation coefficient is
6. Q5 Ifregression lines intersect each other at right angles, the correlation shall be
7. Q6 Coefficient of correlation is denoted by
8. Q7 income & expenditure will show
   • (i) Positive correlation (ii) Negative correlation (iii) no correlation (iv) none
9. Q8 Coefficient of correlation is of units of measurement
10. Q9 Coefficient of variation is calculated by the formula
    • (i)= x 100 (i) * (iii) (iv) x 100
11. Q10 Quartile divides the data in parts
12. Q11 The value which occurs with the maximum frequency is called
13. Q12 The sources of data are
14. Q13 The data obtained from a newspaper are
15. Q14 Mean is a measure of
16. Q15 Price and demand of goods will show
    • (i) Positive correlation (ii) Negative correlation (iii) no correlation (iv) none
17. Q16 Coefficient of correlation is of units of measurement
18. Q17 By graphs and diagrams
    • (i) Data are surveyed (ii) Data are edited (iii) Data are presented (iv) Data are analysed
19. Q18 The objective of diagrammatic representation of data is 1904,the rank correlation method was developed by
20. Q20 Median means
    • (i) percentile (ii) decile (iii) octile (iv) None of these
21. Q2 Attempt ANY ONE \ A) Write Primary & Secondary data 7 marks
    • B) Find median for the following data of 30 students
22. Q3 Attempt ANY ONE 7 marks
    • A) Find mode for the following data:
    • B) Find Arithmetic mean for the following data:
23. Q4 Attempt ANY ONE 7 marks
    • A) Calculate standard deviation for the given data:
    • B) Write Merits and demerits of range
24. Q5 Attempt ANY ONE 7 marks
    • A) For the following data calculate Pearson’s coefficient of correlation
    • B) Find the regression equation of y on x when
25. Q6 Short notes (ANY TWO) 7 marks
    • A) Demerits of Mean
    • B) Properties of a good measure of Dispersion
    • C) Explain correlation by Diagram
    • D) What is sampling explain
    • E) Merits of mean Standard deviation

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