A Psychologist Has Performed the Following Experiment Can She Infer at the 5% Significance Level That There

question 53

Essay

A psychologist has performed the following experiment. For each of 10 sets of identical twins who were born 30 years ago, she recorded their annual incomes according to which twin was born first. The results (in $000) are shown below. $$\begin{array} { | c | c | c | } \hline \text { Twin set } & \text { First born } & \text { Second born } \\\hline 1 & 32 & 44 \\\hline 2 & 36 & 43 \\\hline 3 & 21 & 28 \\\hline 4 & 30 & 39 \\\hline 5 & 49 & 51 \\\hline 6 & 27 & 25 \\\hline 7 & 39 & 32 \\\hline 8 & 38 & 42 \\\hline 9 & 56 & 64 \\\hline 10 & 44 & 44 \\\hline\end{array}$$ Can she infer at the 5% significance level that there is a difference in income between the twins?

Recognize the impact of environmental and psychological factors on eating behaviors.

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Recognize the role of the brain in experiencing rejection and physical pain.

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Definitions:

Racketeer Influenced and Corrupt Organizations Act

A federal law aimed at combating organized crime in the United States by facilitating extended penalties for acts performed as part of a criminal organization.

Violation

The act of disobeying or acting against a law, rule, agreement, or code of conduct.

Imprisonment

The act of confining someone in a prison or other facility as a form of punishment following conviction for a crime.

Section 11

A provision of the Securities Act of 1933 that holds issuers liable for providing false statements in their registration statements, designed to protect investors.