A Weatherman Stated That the Average Temperature During July in Chattanooga

question 70

Multiple Choice

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

• A)H₀: \(\mu\) \(\ge\) 80 H_a: \(\mu\) < 80
• B)H₀: \(\mu\) \(\le\)80 H_a: \(\mu\) > 80
• C)H₀: \(\mu\) \(\neq\) 80 H_a: \(\mu\) = 80
• D)H₀: \(\mu\) < 80 H_a: \(\mu\) > 80

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Definitions:

Experimental Group

A group made up of subjects who receive a treatment in an experiment.

Treatment

The management and care of a patient or the combating of disease or disorder.

Correlational Research

A type of non-experimental research method that examines the relationship or association between two or more variables without manipulating them.

Cross-Cultural Studies

are research efforts that compare cultural contexts to understand how differing backgrounds influence behavior, values, and social norms.