Question
The following data represents the age of employment in years for 25 facilities that were investigated...
The following data represents the age of employment in
years for 25 facilities that were investigated in one study: 38 50
52 56 41 56 50 43 28 45 50 60 40 60 55 35 52 40 47 55 33 35 53 46
51 Put the data in a repeating table of (5) Equal Categories. Then
compare the mean values for the random (ungrouped) data and the
mean for the data, which is tabulated in the iterative table.
.
I need to solve this question in engineering statistics in less
than 30 minutes
Homework Answers
Answer #1
for
class 60-70 midvalue 65 is representative of the class but here the
values which falla in this class are 60 which is not near to 65.
Similarly for remaining most of the classes the midvalues of the
class intervals are lager than actual values Therefore mean
calculated from grouped data is overestimated.
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