A) $\hat{y}$ = 06 + 142x
B) $\hat{y}$ = 2 + 169x
C)

question 33

Multiple Choice

$\begin{array}{c|c|c|c|c|l}\overline{\mathrm{x}} & \mathrm{s}_{\mathrm{x}} & \overline{\mathrm{y}} & \mathrm{s}_{\mathrm{y}} & \mathrm{r} & \hat{\mathrm{y}}=\mathrm{b}_{0}+\mathrm{b}_{1 \mathrm{x}} \\\hline 13 & 2 & 22 & 4 & 0.3 & \hat{\mathrm{y}}=?\end{array}$

• A) \(\hat{y}\) = 0.6 + 14.2x
• B) \(\hat{y}\) = 2 + 1.69x
• C) \(\hat{y}\) = -4 + 2x
• D) \(\hat{y}\) = 14.2 + 0.6x
• E) \(\hat{y}\) = 20.05 + 0.15x

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Definitions:

Nicotine

A stimulant and addictive substance found in tobacco, responsible for the habit-forming nature of tobacco use.

Placebo

A substance with no therapeutic effect, used as a control in testing new drugs or used to elicit a psychological benefit.

Nicotine

A stimulant and addictive substance found in tobacco products that affects the nervous system.

Dependent Variable

In an experiment, the variable that is being tested and measured, expected to change as a result of manipulations to the independent variable.