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Economics, XI

  1. Compute the mean deviation from the median and from the mean for the following distribution of the scores of 50 college students:
Scores 140-150 150-160 160-170 170-180 180-190 190-200
Frequency 4 6 10 18 9 3

 

  1. Calculate quartile deviation and its coefficient from the following data
Size 5-10 10-15 15-20 20-25 25-30 30-35 35-40 40-45 45-50
frequency 6 10 18 30 15 12 10 6 4

 

  1. Find the coefficient of correlation between X AND y series from the data:
X 10 12 8 15 20 25 40
Y 15 10 6 25 16 12 8

 

  1. PROJECT
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