Solved

As Part of a Large,ongoing Diet Study,some Subjects of the Study

question 6

Multiple Choice

As part of a large,ongoing diet study,some subjects of the study are taking part in an intensive exercise program for four weeks.Several variables are measured on these subjects,both at the beginning and at the end of the four-week period.Some of these variables are weight,cholesterol,and triglyceride level.One objective of this particular study is to assess the effect of diet and intense exercise on increasing triglyceride levels.The data for a simple random sample of nine of these subjects are given in the table below. The data are to be analyzed using the Wilcoxon signed rank test.The data were entered into SPSS,and the following output was obtained. Wilcoxon Signed Rank Test If the test statistic W⁺ were to be based on positive differences,what would be the value of W⁺?

Definitions:

Utility Maximization

The economic principle that individuals or firms aim to achieve the highest level of utility or satisfaction possible from their consumption or production choices, given their constraints.

Equilibrium Position

In the indifference curve model, the combination of two goods at which a consumer maximizes his or her utility (reaches the highest attainable indifference curve), given a limited amount to spend (a budget constraint).

Normal Good

A product whose demand increases when consumer income rises and falls when consumer income decreases.

Income Increases

Refers to a rise in the amount of money that individuals or households receive, from sources such as wages, investments, or benefits.