In a Study of Reaction Times,) Construct A $95 \%$ Confidence Interval for the Slope of the Least-Squares Regression Line

question 121

Multiple Choice

In a study of reaction times,) $\begin{array}{cc}\hline \text { Visual } & \text { Auditory } \\\hline 193 & 189 \\240 & 222 \\239 & 226 \\236 & 225 \\200 & 189 \\161 & 158 \\214 & 209 \\204 & 193 \\\hline\end{array}$

Construct a $95 \%$ confidence interval for the slope of the least-squares regression line.

• A) \(( 21.1134,21.3481 )\)
• B) \(( 0.7370,0.9716 )\)
• C) \(( 21.1376,21.3239 )\)
• D) \(( 0.7611,0.9474 )\)

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Definitions:

Presynaptic Neuron

The neuron that sends a signal across a synapse to another neuron, typically by releasing neurotransmitters.

Postsynaptic Neuron

A neuron that receives a signal from and is located directly downstream of the synapse in neuronal communication.

Neurotransmitters

Chemical substances that transmit signals across a synapse from one neuron to another neuron, muscle, or gland cell.

Frontal Lobe

The part of the brain located at the front of each cerebral hemisphere, responsible for decision making, problem solving, and controlling behavior.