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UNICEF conducts a survey of the children in orphanages all around the world and classifies them into three categories - Cared, Deprived and Below Poverty on the basis of ratings over six parameters - Housing, Clothing, Nutrition, Health, Vaccination and Education. The ratings on each parameter are given on a scale of 1 to 10.
 
The graph above shows the ratings for a particular orphanage over three years.
 
 
Q. The Happiness Index of a child for a year is measured by the variance of the scores from the mean rating of all the parameters. The Happiness Index is highest for which of the following years?
  • a)
    2010
  • b)
    2011
  • c)
    2012
  • d)
    2011 &  2012
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
UNICEF conducts a survey of the children in orphanages all around the ...
Solution: 
= 15.8484

Variance = 15.8484/4.82 ⇒ 3.29 Similarly, variance for 2011 = 3.24 and variance for 2012 = 3.55 Hence, option 3.
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UNICEF conducts a survey of the children in orphanages all around the world and classifies them into three categories - Cared, Deprived and Below Poverty on the basis of ratings over six parameters - Housing, Clothing, Nutrition, Health, Vaccination and Education. The ratings on each parameter are given on a scale of 1 to 10.The graph above shows the ratings for a particular orphanage over three years.Q. The Happiness Index of a child for a year is measured by the variance of the scores from the mean rating of all the parameters. The Happiness Index is highest for which of the following years?a)2010b)2011c)2012d)2011 2012Correct answer is option 'C'. Can you explain this answer?
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UNICEF conducts a survey of the children in orphanages all around the world and classifies them into three categories - Cared, Deprived and Below Poverty on the basis of ratings over six parameters - Housing, Clothing, Nutrition, Health, Vaccination and Education. The ratings on each parameter are given on a scale of 1 to 10.The graph above shows the ratings for a particular orphanage over three years.Q. The Happiness Index of a child for a year is measured by the variance of the scores from the mean rating of all the parameters. The Happiness Index is highest for which of the following years?a)2010b)2011c)2012d)2011 2012Correct answer is option 'C'. Can you explain this answer? for CAT 2024 is part of CAT preparation. The Question and answers have been prepared according to the CAT exam syllabus. Information about UNICEF conducts a survey of the children in orphanages all around the world and classifies them into three categories - Cared, Deprived and Below Poverty on the basis of ratings over six parameters - Housing, Clothing, Nutrition, Health, Vaccination and Education. The ratings on each parameter are given on a scale of 1 to 10.The graph above shows the ratings for a particular orphanage over three years.Q. The Happiness Index of a child for a year is measured by the variance of the scores from the mean rating of all the parameters. The Happiness Index is highest for which of the following years?a)2010b)2011c)2012d)2011 2012Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for CAT 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for UNICEF conducts a survey of the children in orphanages all around the world and classifies them into three categories - Cared, Deprived and Below Poverty on the basis of ratings over six parameters - Housing, Clothing, Nutrition, Health, Vaccination and Education. The ratings on each parameter are given on a scale of 1 to 10.The graph above shows the ratings for a particular orphanage over three years.Q. The Happiness Index of a child for a year is measured by the variance of the scores from the mean rating of all the parameters. The Happiness Index is highest for which of the following years?a)2010b)2011c)2012d)2011 2012Correct answer is option 'C'. Can you explain this answer?.
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