BSc Sem I 2023 2024 Dec 2024 STATISTICS I Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q1 Answer the following questions
   • a) State True or False, Correct if necessary: 10
   • ii) In Stem and leaf diagram, stem consists of trailing digits
   • iii) Range can be calculated if we have open end classes
   • iv) Mean deviation is least when it is calculated from mean
   • v) Standard Deviation is second order central moment
   • b) Answer in one sentence: 10
   • i) What do you mean by scale of measurement
   • ii) Explain consistency of attributes
   • iii) What is mean empirical relation between mathematical means
   • iv) Give mean of first 15 natural numbers,
   • v) Write formula for calculating Karl Pearson’s coefficient of skewness
2. Q2 Attempt any two
   • i) Write all condition for consistency of data for three Attributes
   • ii) Why we tabulate data? What are some component of tables? Write some features of a good lii) Write detailed note on sources of data
3. Q3 Attempt any two. 20 marks
   • i) Write a note on Histogram and Frequency
   • ii) Write merit and demerits of a) Mean b) Mode
   • iii) Find median for following data and locate it graphically FY-BSc. SEM | DESCRIPTIVE STATISTICS | HRs- 3 MARKS 100
4. Q4 Attempt any two. 20 marks
   • i) Write detailed note on Measure of Dispersion
   • ii) Show that Variance is independent of change of origin but depends on change in scale Write expression of Variance for combined data 4 iii) find the variance, standard deviation and coefficient of variance of following data
5. Q5 Attempt any two. 20 marks
   • i) What are notation and terminology used in Theory of attributes, Prove that total number of class frequencies in case of ‘k’ attributes is 3
   • ii) Find all the Quartiles and D6 graphically as well as by formula
   • iii) The daily sales of news papers (in 00’) are given below: Draw Box-plot and comment on your inference All The Best

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