Consider the Following to Answer the Question(s) Below

Multiple Choice

Consider the following to answer the question(s) below:
An Internet service provider is interested in testing to see if there is a difference in the mean weekly connect time for users who come into the service through a dial-up line, DSL, or cable Internet. To test this, the ISP has selected random samples from each category of user and recorded the connect time during a week period. The following is partial Excel output for the data.

-The correct null hypothesis is

A) Mean weekly connect times are equal regardless of the method of connection.
B) Mean weekly connect times are not equal regardless of the method of connection.
C) Method of internet connection has no impact on average weekly connect times.
D) Method of internet connection has an impact on average weekly connect times.
E) None of the above.