Statistics ITU Board 2076
The following table gives the installation time (in minutes) for hardware on 50 different computers. Installation Time 0 10 10 20 20 30 30 40 40 50 Total Number of computers 4 – 10 – 10 50 If the…
5The following table gives the installation time (in minutes) for hardware on 50 different computers.
Installation Time
0-10
10-20
20-30
30-40
40-50
Total
Number of computers
4
–
10
–
10
50
If the average installation time is 30.2 minutes, find missing frequencies.
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