Consider the Following to Answer the Question(s) Below

question 21

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 users and recorded the connect time during a week period. The following is partial Excel output for the data.
-The P-value for this statistic is < 0.001. Therefore, at α = 0.05

• A) we reject the null hypothesis and conclude that at least two of the mean weekly connect times are different.
• B) we fail to reject the null hypothesis.
• C) we know average connect times are the same for all connection methods.
• D) we reject the alternative hypothesis and conclude that the average weekly connect times are the same for all three methods of connection.
• E) we support the null hypothesis and conclude that the method of connection is not significant.

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