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A group of individuals were selected to participate in a diet program. Waist circumferences were collected before and after the program. The question of interest was whether there was a mean change in circumference due to the diet program. A mean change of 2 inches is considered clinically meaningful.
A)The researcher found a mean change of 2.2 inches and wants to conclude that the diet works. Can the researcher make this conclusion? Why or why not? B)Suppose a 95% confidence interval for the mean change was calculated (-1.75, 3.00). Explain to the researcher what this means.
Volume
Refers to the amount of space that a substance or object occupies, or that is enclosed within a container.
Velocity
The speed of something in a given direction, often used in physics to describe the rate of change of position.
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The presence of differences or a range of different things within a particular area, group, or system.
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