IC82 STATISTICS - 15
| Q1.Which are in the shape of rectangles, squares, or circles and the area of the diagram is in proportion to the size or value they represent? |
| a) One-dimensional diagrams |
| b) Two-dimensional diagrams |
| c) Three-dimensional diagrams |
| d) None of these |
| Q2.The following data is collected with regard to the Life Hours of 200 Electric Bulbs. |
| a) 85.21 hours |
| b) 153.24 hours |
| c) 198.32 hours |
| d) 221.25 hours |
| Q3.Under 50 New Policies issued, the Sum Assured is as under(Figures in Thousand s) 30,35,35,35,40,40,40,45,45,45,45,50,50,50,50,50,55,55,55,60,60,60,60,60,60,65,65,65,65,65,70,70,70,70,75,75,75,80,80,80,85,85,85,90,90,95,100,110,115,120. Arrange the data in Class-Interval not exceeding 10, stating True-Limits and Mid-point. |
| a) 80,000 |
| b) 85,000 |
| c) 90,000 |
| d) 1,10,000 |
| Q4.The word 'Statistics' is being used in which of the following distinct senses? |
| a) To denote simply a collection of data |
| b) To denote the totality of methods employed in the collection, description, analysis, presentation, and interpretation of the information in numerical form |
| c) To denote in the singular form i.e., Statistic, a characteristic measure of a sample to estimate the parameters of the undeterminable population. |
| d) All of the above |
| Q5.Which method and the normal equations are equally applicable for determining the trend line? |
| a) Method of semi-averages |
| b) Free-Hand Drawing |
| c) Method of Least Squares |
| d) Seasonal variations |
| Q6.What is defined as the value of variables that divides an ordered set of observations into two equal parts? |
| a) Mean |
| b) Median |
| c) Mode |
| d) None of these |
| Q7.What is a planned process by which observations are made and/or data is collected? |
| a) Outcome |
| b) Experiment |
| c) Sample space |
| d) None of these |
| Q8.What is a relative concept and provides a convenient way of comparing various non-parametric statistics? |
| a) Parametric methods |
| b) Non-Parametric methods |
| c) Chi-Square test |
| d) Power efficiency |
| Q9.Corresponding to the cumulative mass function of a discrete random variable, the ____ of a continuous random variable specifies the probability that the observed value of X will be no greater than. |
| a) Cumulative Mass Function |
| b) Probability Density Function |
| c) Cumulative Density Function |
| d) None of these |
| Q10.The admission for a specified course is subject to minimum ' Weighted Average' Marks 60% and different weight is prescribed for each of the five subjects at Graduation is as follows: 1.w_1:Regional Language 2.w_2:English 3.w_3:Physics 4.w_4:Mathematics 5.w_5:Statistics |
| a) A and B |
| b) A and D |
| c) C and D |
| d) D and E |