Question

The following table shows the ages of
staff members in a office 4
27-
36-
Age
18-
27
45-
54
54.
63
36
45
Number
of
members
6
11
21
23
14
Find mean and the mode


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Answer 1

Answer:

mean=43.86  mode =45.36

Explanation:

sum of f1=75

sum of f1x1=3289.5

mean=x=3289.5/75

=43.86

mode=45+{2/11}*2

=45+4/11

=495+4/11

=499/11

=45.36

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Answer 2

Answer:

height of one class (h)= 9

mode = L+(f1-f0/2f1-f0-f2)*h

          =45+(23-21/2*23-21-14)*9

          =45+(2/11)*9

          =45+18/11

          =45+1.64

          =46.64

Step-by-step explanation: