# BCOM 3RD SEM BUSINESS STATS IMPORTANT QUESTIONS

IMPORTANT QUESTIONS FOR 3rd SEMESTER EXAMINATION

BUSINESS STATISTICS (BS)                                                     B.Com (All Combination) II Year

I Unit

Features and functions of statistics. (May 19 May 18)
Limitations and Distrust of statistics. (May 19 Nov 18 May 18 Mar 18,Dec17)
Primary vs Secondary data.( Nov 18 Mar 18)
Explain the points to be kept in mind while drafting a good questionnaire. May 19
Statistics characteristics, scope and importance (12 M). (Nov 18 May 18 Mar 18,Dec17)
Various methods of collecting primary data (12 M). May 18
Various types of classification.
Define Sampling? Discuss various Sampling Techniques? (Dec17)

II Unit

Diagrammatic  and graphic presentation of data.( May 18)
Prepare Bar diagram, pie diagram.( May 19 Nov 18  May 18)

III Unit

Calculate median and mode.( May 19  Nov 18)
Calculate arithmetic mean, geometric mean, harmonic mean. (Nov 18 May 18)
Calculate missing frequency.
Relationship between arithmetic mean geometric mean and harmonic mean.

IV Unit

Calculate Karl Pearson Skewness. May 19
Calculate Bowleys Skewness. (Nov 18 May 18)
Calculate Quartile deviation and its coefficient.
Calculate standard deviation and its coefficient of variation.( Nov 18)
Range, quartile deviation, mean deviation, standard deviation. (Nov 18 May 18)

V Unit

Calculate coefficient of correlation and find probable error. (May 19 Nov 18 May 18)
Calculate Spearmans Rank Correlation. (May 19 Nov 18 May 18)
Types of corelation.( Nov 18)