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

question 45

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 provided below to find a 90% confidence interval for the slope of the regression line. 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)(-3.05,10.05)
• B)(-1.48,8.48)
• C)(-1.42,8.42)
• D)(-3.17,10.17)
• E)(-4.82,11.83)

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Definitions:

Production Possibility Frontier

A curve depicting the maximum attainable combinations of two products that may be produced with available resources and current technology.

Inefficiency

A situation where resources are not used in the best possible way, often leading to waste and a lower output than could be achieved.

Trade

The exchange of goods, services, or both between two or more parties.

Factors of Production

The assets employed to produce goods and services, encompassing land, labor, capital, and entrepreneurship.