Fybms sem 1- business statistics -sample question
- 1. FYBMS SEM 1- Bus Statistics MCQ (Bold = Correct Answer) 1. Maximum value of correlation is_______ a) 2 (b) 1.5 (c) 1 (d) 0 2. Spearman's method is the method of calculating coefficient of correlation by (a) Irvin Fischer (b) Charles Spearman (c) Lorenz (d) Karl Pearson 3. Graph of variables having linear relation will be (a) Curved (b) Hyperbola (c) Straight line (d) Vertical line 4. Correlation between income and demand is (a) Negative (b) Positive (c) Zero (d) 100 5. Minimum value of correlation is (a) -2 (b) - 1.5 (c) - 1 (d) 0 6. In case there is no relation between two variables, value of coefficient of correlation will be (a) -2 (b) - 1.5 (c) - 1 (d) 0 7. Independent variable is represented along (a) x-axis (b) z-axis (c) y-axis (d) W-axis 8. Which is the most widely used method of calculating correlation? (a) Scatter diagram (b) Karl Pearson's (c) Charles Spearman's (d) Shahid qureshi 9. Which one of the following is a relative measure of dispersion? (a) Standard deviation (b) Variance (c) Variance (d) Shahid qureshi 10. Which of the following is correct for a multiplicative time series model? a) TX S+C+1 b) T-S+C-1. c) TXCxSx1 d) TxSxC-1 11. Which of the following components is used for a short-term forecast? a) trend b) cyclical c) seasonal d) none of these 12. When the individual years (X) are changed into coded time values such that EX = 0, then: a)a=Σy/n b=Σxy/n b)a=Σx/n b=Σxy/x2 c)a)a=Σxy/n b=Σy/y2 d)None of these 13. When the time series comprises annual data, we can find out: a) Seasonal variation b) Secular trend c) Cyclical fluctuation d) All of these
- 2. 14. Laspeyre's index is based on: a) Base year quantities b) current year quantities c) both of them d) average of current and base year 15. A single value which is used to represent the entire mass of data is a) Measure of central tendency b) Statistics c) Measure of Dispersion d) Skewness 16. the empirical relationship between Mean, Median and Mode is given by a) Mode = 3 Median - Mean (b) Mode = 2 Mean – Median ( c) Mode = 3 Median - 2 Mean (d) Mode = Mean - Median 17. The statistical data that can be classified according to the time of its occurrence is: a) Geographical b) Chronological c) Quantitative d) Qualitative 18. for the given data 7, 8, 9, 9 and 17 a) Mean is greater than Median b) Median greater than Mode c) Mode is greater than Mean d) None of these 19. Two distributions with 30 and 40 items have mean 158 and 162 respectively. The combined mean of two distributions will be: a) 162 b) 160.28 c) 160.29 d) 157.99 20. in a moderately symmetrical distribution, the mode is 40 and Median is 44, the value of mean will be: a) 43 b) 46 c) 57.3 d) 58.0 21. In case of stage decision making problem, a decision is to be chosen the process from the given list of well defined alternatives. (a) only once at the beginning of (b) many times in (C) never in. (d) not necessarily at the beginning 22. In the problem of decision making all possible situations are (a) sometimes known (b) never known (c) always known (d) rarely known 23. Decision maker has over the occurrence of situation. (a) always control (b) no control (c) sometime control (d) rarely control 24. The possible situation in decision making are all known, there is of exact situation that will occur in future at the time of decision making. (a) some knowledge (b) complete knowledge (c) partial knowledge (d) no knowledge 25. Chances of occurrence of situations are. known at the time of decision making under certainty. (a) never (b) rarely (c) sometimes (d) always 26. Decision maker defines effectiveness measure which is combination of (a) decision and probability (b) situation and pay off (c) situation and decision (d) situation and probability 27. The nature of views of decision maker is
- 3. (a )maximisation type (b) minimisation type (c) optimistic, pessimistic and normal (d) stationary type 28. In case of pay-off table available maximax criterion can be considered as (a) optimistic view (b) pessimistic view (c) normal view (d) sedistic view 29.In case of pay-off matrix being available for decision making then maximum criterion can be considered as (a) optimistic view (b) pessimistic view (c) normal view (d) absurd 30. Decision makers views may be classified as (a) pessimistic type (b) maximisation type (c) minimisation type (d) none of these 31. In case of pay-off matrix available for decision making then maximise average can be considered as (a) optimistic view (b) pessimistic view (c) normal view (d) absurd 32. In case of opportunity loss matrix being available for decision making then minimum criterion is considered as (a) optimistic view (b) pessimistic view (c) normal view (d) absurd 33. A numerical value used as a summary measure for a sample, such as a sample mean, is known as a A) Population Parameter B) Sample Parameter C) Sample Statistic D) Population Mean 34. Statistics branches include A) Applied Statistics B) Mathematical Statistics C) Industry Statistics D) Both A and B 35. To enhance a procedure the control charts and procedures of descriptive statistics are classified into A) Behavioural Tools B) Serial Tools C) Industry Statistics D) Statistical Tools 36. Sample statistics are also represented as A) Lower Case Greek Letter B) Roman Letters C) Associated Roman Alphabets D) Upper Case Greek Letter 37. Individual respondents, focus groups, and panels of respondents are categorised as A) Primary Data Sources B) Secondary Data Sources C) Itemized Data Sources D) Pointed Data Sources 38. The variables whose calculation is done according to the height, length and weight are categorised as A) Discrete Variables B) Flowchart Variables C) Measuring Variables D) Continuous Variables 39. A method used to examine inflation rate anticipation, unemployment rate and capacity utilization to produce products is classified as A) Data Exporting Technique B) Data Importing Technique C) Forecasting Technique D) Data Supplying Technique 40. Graphical and numerical methods are specialized processes utilised in A) Education Statistics B) Descriptive Statistics C) Business Statistics D) Social Statistics 41. The scale applied in statistics which imparts a difference of magnitude and proportions is considered as A) Exponential Scale B) Goodness Scale C) Ratio Scale D) Satisfactory Scale 42. Review of performance appraisal, labour turnover rates, planning of incentives and training programs and are examples of
- 4. A) Statistics in Production B) Statistics in Marketing C) Statistics in Finance D) Statistics in Personnel Management 43. Quantitative data is the data that possess_____ (a) Ratio Scale (b) Exponential Scale (c) Statistics in Production (d) numerical properties. 44.___is a scientific tool used in research and making an intelligent judgment (a) Goodness Scale (b) Statistics (c) numerical properties. (d) Satisfactory Scale 45.___is used, when the population under study is infinite (a) random method (b) numerical method (c) Sample method (d) All 46. The difference between upper-class limit and lower-class limit is called___ (a) Exponential Scale (b) width of class-interval (c) interview (d) Statistics in Marketing 47 Weight is a _____ variable. (a) Continuous, (b) numerical (c) Ratio (d) Production 48. If X takes values 2.5.7.9 then X is called_____variable (a) numerical (b) Discrete (c) interview (d) Scale 49___is always equidistant between third quartile and first quartile. (a) Mean (b) Mode (c) Mix (d) Median 50. Mean. Median and Mode are equal in a ____ (a)Continuous (b) unsymmetrical distribution (c) symmetrical distribution (d) None