Assume That You Want to Test the Claim That the Paired

question 64

Multiple Choice

Assume that you want to test the claim that the paired sample data come from a population for which the mean difference
is $\mu _ { \mathrm { d } } = 0$ 0. Compute the value of the t test statistic. Round intermediate calculations to four decimal places as needed and
final answers to three decimal places as needed.
- $\begin{array}{|l|llllllll}\mathrm{x} & 28 & 31 & 20 & 25 & 28 & 27 & 33 & 35 \\\hline \mathrm{y} & 26 & 27 & 26 & 25 & 29 & 32 & 33 & 34\end{array}$

• A) \(t = - 1.480\)
• B) \(t = 0.690\)
• C) \(t = - 0.185\)
• D) \(t = - 0.523\)

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A powerful and addictive stimulant derived from the coca plant; produces temporarily increased alertness and euphoria.

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A psychoactive drug derived from the Cannabis plant, used both recreationally and medicinally to produce feelings of relaxation and euphoria but may also result in altered perceptions and mood.

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A substance that leads to compulsive use, characterized by a psychological and/or physical dependence.