IC82 STATISTICS - 04
| Q1.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 |
| Q2.Which are in the shape of cubes, blocks, or cylinders and the volumes of the diagrams are in proportion to given values? |
| a) One-dimensional diagrams |
| b) Two-dimensional diagrams |
| c) Three-dimensional diagrams |
| d) None of these |
| Q3.What is known as the first moment of dispersion and while calculating the Mean of the Deviations, the absolute values are taken and negative signs are ignored and the sum total of deviations from Central Tendency is divided by the number of items of variables? |
| a) Inter Quartile Range |
| b) Mean Absolute Deviation |
| c) Standard deviation |
| d) Range |
| Q4.Which estimates do not tell us anything about intrinsic reliability or the precision of the method of estimation? |
| a) Interval estimation |
| b) Unbiased estimator |
| c) Consistent estimator |
| d) Point Estimate |
| Q5.A Marketing Organization wants to select a Dealer to sell the New Product of a Manufacturer. The approach of the Marketing Organization is to give preference to that Dealer who, in the existing business, keeps articles with a very wide range of prices. The following three Dealers approached the Marketing Organization for getting a Dealership of a New Product. The following is the record Available: Dealer-A deals in Garments, with a range of products on the basis of Prices in Rupees 200/- to Rupees 1,200/-. Dealer-B deals in Presentable Articles, with Range of products on the basis of Prices in Rupees 150/- to Rupees 1,500/-.Dealer-C deals in General Stores, with a range of products on the basis of Prices in Rupees 200/- to Rupees 800/-. Who is the better choice? |
| a) Dealer-A |
| b) Dealer-B |
| c) Dealer-C |
| d) None of these |
| Q6.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 |
| Q7.Such a single figure summarizing a comparison between two sets of figures is called an index number and the typical year in terms of which the figures of other years are expressed is known as ____. |
| a) Base year |
| b) Sampling |
| c) Probability |
| d) Index number |
| Q8.In order to use the customary methods for testing a hypothesis concerning the multiple regression model, which of the following assumptions are required? |
| a) For each possible combination of values of the independent variables, the population distribution of the residuals is normal with a mean equal to zero and variance:amp;amp;sigma;_e^2 |
| b) For all possible combinations of values of the independent variables:σ_e^2 is a constant |
| c) The residual components in the y values are independent from observation to observation |
| d) All of the above |
| Q9.In an experiment of fertilizer testing, the sample space may range from yield which may take any value between 1000 kilograms and 2000 kilograms. This is an example of a ______. |
| a) Discrete sample space |
| b) Continuous sample space |
| Q10.When two events are not mutually exclusive and can happen at a time, the probability of the union of two events(either occurs) will be equal to the sum of the probability of each individual event, minus the probability that two events happen together? |
| a) Objective Probability |
| b) Subjective Probability |
| c) Classical probability |
| d) Addition Law of Probability |