Research Question:

Is the average number of hours of television watched per evening in Australia less than in Britain?

Group of answer choices

H0: The average number of hours of television watched per evening in Australia is significantly less than or is equal to hours of television watched in Britain.

Ha: The average number of hours of television watched per evening in Australia is not significantly less than in Britain.

H0: The average number of hours of television watched per evening in Australia is not significantly less than or is equal to hours of television watched in Britain.

Ha: The average number of hours of television watched per evening in Australia is significantly less than in Britain.

H0: The average number of hours of television watched per evening in Australia is significantly less than or is equal to hours of television watched in Britain.

Ha: The average number of hours of television watched per evening in Australia is significantly less than in Britain.

H0: The average number of hours of television watched per evening in Australia is not significantly less than or is equal to hours of television watched in Britain.

Ha: The average number of hours of television watched per evening in Australia is not significantly less than in Britain.

For the previous question: Is a one or two sided hypothesis test required?

Group of answer choices

One sided

Two sided

Either one sided or two sided

Unable to determine