The Sun News wanted to investigate whether there exists a difference in the average distance in miles traveled per week by each of two taxi cab companies operating in the Grand Strand area. The newspaper conducted a study, and found the following results. Data Level of Significance 0.05 Horse & Buggy Cab (Population 1) Sample Size 13 Sample Mean 797 Sample Variance 1600 Yellow Cab (Population 2) Sample Size 16 Sample Mean 837
The Sun News wanted to investigate whether there exists a difference in
the average distance in miles traveled per week by each of two taxi cab
companies operating in the Grand Strand area. The newspaper conducted
a study, and found the following results.
Data
Level of Significance 0.05
Horse & Buggy Cab (Population 1)
Sample Mean 797
Sample Variance 1600
Yellow Cab (Population 2)
Sample Size 16
Sample Mean 837
Sample Variance 900
The computed value of the appropriate test statistic for u1- u2 is
(final answer to 4 decimal places).
Do the data provide sufficient evidence that there is a significant difference in the average distance in miles traveled per week by the two taxi cab companies?
(choose from Yes or No)
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