In a Study of the Effectiveness of Physical Exercise in Weight

question 44

Multiple Choice

In a study of the effectiveness of physical exercise in weight reduction, 12 subjects followed a program of physical exercise for two months. Their weights (in pounds) before and after this program are shown in the table. Use Wilcoxon's signed -ranks test and a significance level of
0) 05 to test the claim that the exercise program has no effect on weight. $$\begin{array} { l l l l l l l l l l l l l } \text { Before } & 162 & 190 & 188 & 152 & 148 & 127 & 195 & 164 & 175 & 156 & 180 & 136 \\\hline \text { After } & 157 & 194 & 179 & 149 & 135 & 130 & 183 & 168 & 168 & 148 & 170 & 138\end{array}$$
What would be the signed rank for the column with values of 175 and 168 ?

• A) 8
• B) 9
• C) 10
• D) 8.5

Understand the implications of interest rate and price changes on investment decisions.

Understand the factors contributing to personal happiness and well-being.

Recognize the role of subjective well-being in assessing life satisfaction.

Identify various research methods in psychology and their applications.

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Definitions:

Great Depression

The Great Depression was a severe worldwide economic downturn that lasted from 1929 to the late 1930s, marked by massive unemployment, deflation, and widespread poverty, affecting many countries around the world.

Lender of Last Resort

A role usually performed by a central bank, providing funds to financial institutions facing financial difficulty to prevent systemic collapse.

Federal Reserve Board

The governing body of the Federal Reserve System, responsible for overseeing American monetary policy and financial system regulation.

Bank Failures

Occurrences when a bank is unable to meet its obligations to depositors or creditors and ceases operations, often resulting in regulators seizing the institution.