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Find the Mean of the Following Data X 19 21 23 25 27 29 31 F 13 15 16 18 16 15 13 - CBSE Class 10 - Mathematics

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Question

Find the mean of the following data:-

x 19 21 23 25 27 29 31
f 13 15 16 18 16 15 13

Solution

x f fx
19 13 247
21 15 315
23 16 368
25 18 450
27 16 432
29 15 435
31 13 403
  N = 106 `sum`fx = 2650

Mean `(barx)=(sumfx)/N=2650/106=25`

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Solution Find the Mean of the Following Data X 19 21 23 25 27 29 31 F 13 15 16 18 16 15 13 Concept: Mean of Grouped Data.
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