An Advertisement for a Popular Weight-Loss Clinic Suggests That Participants

question 112

Multiple Choice

An advertisement for a popular weight-loss clinic suggests that participants in its new diet program lose,on average,more than 10 pounds.A consumer activist decides to test the authenticity of the claim.She follows the progress of 18 women who recently joined the weight-reduction program.She calculates the mean weight loss of these participants as 10.8 pounds with a standard deviation of 2.4 pounds.Which of the following is an appropriate hypotheses to test the advertisement's claim?

• A) H_o:μ < 10,H_A:μ ≥ 10
• B) H_o:μ ≥ 10,H_A:μ < 10
• C) H_o:μ ≤ 10,H_A:μ > 10
• D) H_o:μ = 10,H_A:μ ≠ 10

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Definitions:

Sexual Response Cycle

The four stages of sexual responding described by Masters and Johnson—excitement, plateau, orgasm, and resolution.

Refractory Period

The period immediately following a stimulus during which a nerve or muscle is unresponsive to further stimulation.

Physiological Arousal

Refers to the body's physical response to stimuli, which can include increased heart rate, sweating, or rapid breathing.

Resolution Stage

The final phase in some psychological and physiological theories where conflicts or conditions become resolved or return to a baseline state.