IC82 STATISTICS - 01

 19
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?
 
a) 50.2
 
b) 55.7
 
c) 62
 
d) 69.4
 
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

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