Question

Find the mean of the following data:
x: 19 21 23 25 27 29 31y: 13 15 16 18 16 15 13

Answer 1

Answer:

25 is a mean of the following data.

Answer 2

Mean = 25

Step-by-step explanation:

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

Please refer to the attached picture for the table.

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