A small startup company wishes to know how many hours, per week, that its employ

Question

A small startup company wishes to know how many hours, per week, that its employees spend commuting to and from work. The number of hours for each employee are shown below. Construct a frequency table for grouped data using four classes.

9,18,18,14,13,4,12,9,13,10,21,12,19,20,13,3,5,20,17,1

Lower Class Limit                    Upper Class Limit                   Frequency

1                                                      - -

-                                                       - -

-                                                       - -

-                                                       24 (upper class)                     -

  

                                             

                                                      

Explanation / Answer

Sol:

Range=max-min=21-1=20

Bin width=range /no of intervals

=20/4

=5

Lower class limit Upper class limit Frequency 1 6 4 7 12 5 13 18 7 19 24 4 total 20

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