IC82 STATISTICS - 01
| Q1.The ___ is another approach to present the data which gives the residual population of the frequency with increase in value of Class-Interval. |
| a) Less Than Cumulative Frequency |
| b) Greater Than Cumulative Frequency |
| Q2.The method of sampling may be grouped into how many categories? |
| a) One |
| b) Two |
| c) Three |
| d) Four |
| Q3.In such a case, we have to take into consideration, adequate size of the sample and compute 'are as a correlation coefficient to estimate the ______. |
| a) Population correlation coefficient |
| b) Spurious correlation |
| c) Regression line |
| d) None of these |
| Q4.The admission for a specified course is subject to minimum ' Weighted Average' Marks 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. Find the Weighted Average for Student D? |
| a) 41.2 |
| b) 48.2 |
| c) 53.9 |
| d) 56.7 |
| Q5.Which of the following is and current formula of Co-efficient of Scatter? |
| a) Co-efficient of Scatter = {Highest Value - Lowest Value} / { Highest value + Lowest Value} |
| b) Co-efficient of Scatter = {Highest Value - Lowest Value} * { Highest value + Lowest Value} |
| c) Co-efficient of Scatter = {Highest Value - Lowest Value} / { Highest value - Lowest Value} |
| d) Co-efficient of Scatter = {Highest Value + Lowest Value} * { Highest value + Lowest Value} |
| Q6.Which data is collected for the first time and is original in character? |
| a) Primary data |
| b) Secondary data |
| Q7.Which of the following are limitations of the Use of Median? |
| a) The median is not capable of further algebraic treatment |
| b) It is likely to be affected by fluctuations in sampling compared to the arithmetic mean |
| c) The median is not suitable in arriving at a weighted average |
| d) All of the above |
| Q8.The admission for a specified course is subject to minimum ' Weighted Average' Marks 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. Find the Weighted Average for Student B? |
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| Q9.This is the most common type of probability sampling and a sampling plan in which every element of the population has an equal chance of being selected as a Sample, and each possible Sample has an equal probability of being selected is called as? |
| a) Stratified Sampling |
| b) Simple R and om Sampling |
| c) Judgement Sampling |
| d) Probability sampling |
| Q10.The _____ arise due to many factors like the inappropriate definition of the unit of measurements, the bias of the investigator inherent instability of the collected data. |
| a) Spurious accuracy |
| b) Insurance error |
| c) Numerical error |
| d) Statistical errors |
