Math, asked by palwindersandhu4664, 1 month ago

2. Find the mean of the following data:
x:19 21 23 25 27 29 31 f:13 15 16 18 16 15 13 ​

Answers

Answered by ItzBrainlyGirl024
0

Answer:

x : 19 21 23 25 27 29 31

y : 13 15 16 18 16 15 13  

fx: 246 ; 315 ; 368 ; 450 ; 432 ; 435 ; 403  

Taking Y as the frequency f. Sum of frequency = 106

Sum of fx = 2650

Mean = Sum of fx / sum of f = 2650 / 106 = 25

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