An Internet Service Provider Is Interested in Testing to See

question 67

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

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Definitions:

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