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 |