A Study Was Conducted to Determine If Taking a Popularly

question 31

Multiple Choice

A study was conducted to determine if taking a popularly advertised herbal supplement will result in weight loss in obese males.A random sample of clinically obese males was obtained.Each subject was weighed before taking the supplement and again after 60 days using the supplement.Subjects were told not to alter their diet in any way during the study period.The following table shows the observed results for the six subjects. With  = 0.05,what observed values of the test statistic would cause the sample results to be declared statistically significant?

• A)z > 1.645
• B)t > 2.015
• C)t > 1.796
• D)z > 1.960
• E)| t | > 2.571

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Definitions:

Nucleus

The central and most important part of an atom, containing protons and neutrons and almost all of its mass.

Matter

Anything that occupies space and has mass, composed of atoms or molecules and is the substance that makes up the physical universe.

States

Different forms in which matter can exist, typically observed as solid, liquid, gas, and plasma.

Solid

A state of matter characterized by particles that are closely packed together, resulting in a fixed volume and shape.