A random sample of workers have been surveyed and data collected
on how long it takes...
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Statistics
A random sample of workers have been surveyed and data collectedon how long it takes them to travel to work. The data are in thisfile.
Compute a 99% confidence interval for the expected time takento travel to work. Show all your working and state any assumptionsyou need to make in order for your confidence interval to bevalid.
Interpret the confidence interval
x
46.13229
43.06446
42.52708
42.12789
44.92402
34.43817
41.85524
44.2512
50.86619
34.34349
50.98036
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The following table will be used to make the computationshereXX MeanXX
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