The Typing Speeds (In Words Per Minute)and Reading Speeds (In

question 9

Multiple Choice

The typing speeds (in words per minute) and reading speeds (in words per minute) of nine randomly selected secretaries were recorded.Use the regression analysis and summary statistics provided below to determine a 90% confidence interval for the average reading speed of a secretary whose typing speed is 71. $$\begin{array} { l c l l c } \text { Variable } & \text { Count } & \text { Mean } & \text { StdDev } & \text { Range } \\\text { Typing speed } & 9 & 60.44444 & 3.3587 & 35 \\\text { Reading speed } & 9 & 501.8889 & 33.42298 & 297\end{array}$$ Dependent variable is: Reading speed R-squared = 12.385%
S = 100.3348 with 9 - 2 = 7 degrees of freedom $$\begin{array} { l l l l l } \text { Variable } & \text { Coefficient } & \text { SE(Coeff) } & \text { t-ratio } & \text { P-value } \\\text { Constant } & 290.2093 & 215.4116 & 1.347231 & 0.219884 \\\text { Typing speed } & 3.502052 & 3.520579 & 0.994737 & 0.352998\end{array}$$

• A)330.4 to 747.3 words per minute
• B)444.1 to 633.6 words per minute
• C)532.2 to 545.5 words per minute
• D)405.9 to 450.9 words per minute
• E)326.4 to 751.3 words per minute

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Definitions:

Increased Arousal

An increased level of awareness and physical preparedness for action, frequently linked to stress or anxiety.

Reduced Responsiveness

A decrease in the usual reaction to external stimuli, often seen in various neurological or psychological conditions.

Hypothalamic-Pituitary-Adrenal Pathway

A major part of the neuroendocrine system that controls reactions to stress and regulates many body processes, including digestion, the immune system, mood and emotions, sexuality, and energy storage and expenditure.

Stress Response

The body's reaction to a challenge or demand, characterized by physiological and psychological changes that prepare the individual to deal with stressors.