Question

A weatherman stated that the average temperature during July in Chattanooga is 80 degrees or less. A sample of 32 Julys is taken to test the weatherman's statement. The correct set of hypotheses is

Answer 1

The correct set of hypotheses is

`H_(0)`: d=80 degrees

`H_(0)`: d>80 degrees

Explanation:

The weatherman claims that the average temperature during July in Chattanooga is 80 degrees or less. To test this claim, following hypotheses need to be taken:

Let d be the the average temperature during July in Chattanooga, then

`H_(0)`: d=80 degrees

`H_(0)`: d>80 degrees