Question

9 The measurements (in mm) of the
diameters of the heads of 50 screws
are given below:
(in mm) (xi) 34 37 40 43 46
f screws (fi) 5
10 17 12 6
Calculate the mean diameter of the
heads of the screws​

Answer 1

Answer:

34+37+40+43+46+5+10+17+12+6/10

=245/10

=24.4

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