Compute the best central and dispersion measures

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The following data represents the marks of 11 students in group (A) :

14, 20, 17, 16, 18, 19, 15, 13, 2, 20, 14, 12

  • Compute the best central and dispersion measures.

If the central and dispersion measures for the marks of the students in group (B) are as follows:

n

mean

median

mode

s.d

min

max

   

40

14

13.9

14.1

4.12

12

16

13.43

15.1

  • Where s.d standard deviation
  • Which group is better in the sense of homogeneity, group (A) or Group (B)? State the reason of your answer.

 

 

Reference no: EM13809369

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