A Researcher Wants to Determine Whether the Means of Two $\quad$

question 72

Multiple Choice

A researcher wants to determine whether the means of two independent populations are the same.She has two independent random samples, one from each population, shown in the following table: $\quad$ $\quad$ $\quad$ $\quad$ Sample I $\quad$ $\quad$ $\quad$ $\quad$ $\quad$ $\quad$ $\quad$ Sample II
$\begin{array}{llll|lllll}\hline 11.5 & 15.7 & 22.8 & 22.5 & 12.6 & 13.8 & 17.5 & 10.7 & 13.5 \\12.4 & 25.3 & 16.1 & 25.1 & 14.8 & 11.8 & 14.7 & 10.8 & 12.7\end{array}$

She uses the Mann-Whitney U test and a significance level of 0.05.Then $\mu$ _U is ______.

• A)10.055
• B)11.025
• C)11.255
• D)12.025
• E)12.255

Awareness of the potential for escalating commitment in decision-making.

Recognize the importance of flexibility in decision-making and problem-solving.

Understand how to effectively use group dynamics in decision-making.

Comprehend the limitations of human cognition in decision and judgment making.

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Definitions:

Child-rearing Style

Refers to the methods, strategies, and practices parents use to influence, teach, and socialize their children.

Stern Punishments

Severe or strict penalties imposed as a response to an offense or misconduct.

Different Race

Refers to the categorization of humans into populations or groups based on various sets of physical characteristics, cultural history, or geographic ancestry.

Different Sex

Refers to individuals of opposite biological or identified genders.