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 A) H₀: $\mu$ $\geq$ 80 H_a: $\mu$ 80. C) H₀: $\mu$ $\neq$ 80 H_a: $\mu$ = 80. D) H₀: $\mu$ 80.

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 A) H₀: $\mu$ $\geq$ 80 H_a: $\mu$< 80. B) H₀: $\mu$ $\leq$ 80 H_a: $\mu$ > 80. C) H₀: $\mu$ $\neq$ 80 H_a: $\mu$ = 80. D) H₀: $\mu$< 80 H_a: $\mu$ > 80.

Quizplus · Accepted Answer

The null hypothesis (H0) should reflect the statement being tested, which is that the average temperature is 80 degrees or less. The alternative hypothesis (Ha) is that the average temperature is greater than 80 degrees.

A Weatherman Stated That the Average Temperature During July in Chattanooga