An Internet Service Provider Is Interested in Testing to See

Multiple Choice

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 data were collected: Which of the following would be the correct alternative hypotheses for the test to be conducted?

A) H₀ : μ₁ = μ₂ = μ₃
B) H₀ : μ₁ ≠ μ₂ ≠μ₃
C) Not all population means are equal.
D) σ₁ = σ₂ = σ₃ = σ₄