Find mean number of daily travellers on the train

Reference no: EM131813783

Question: The Municipal Transit Authority wants to know if, on weekdays, more passengers ride the northbound blue line train towards the city center that departs at 8:15 a.m. or the one that departs at 8:30 a.m. The following sample statistics are assembled by the Transit Authority.

a. Construct the 90% confidence interval for the difference in the mean number of daily travellers on the 8:15 train and the mean number of daily travellers on the 8:30 train.

b. Test at the 5% level of significance whether the data provide sufficient evidence to conclude that more passengers ride the 8:30 train.

c. Compute the observed significance of the test.

Reference no: EM131813783

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