Exhibit 12-10
the Following Information Regarding a Dependent Variable Y

question 131

Essay

Exhibit 12-10
The following information regarding a dependent variable Y and an independent variable X is provided.
$$\begin{array} { l } \mathrm { n } = 4 \\\Sigma \mathrm { X } = 16 \\\Sigma \mathrm { Y } = 28 \\\Sigma \mathrm { Y } - { \bar { Y )} } \mathrm { X } - \bar { X } ) = - 8 \\\Sigma \mathrm { X } - \bar { X } ) ^ { 2 } = 8 \\\mathrm { SST } = 42 \\\mathrm { SSE } = 34\end{array}$$
-Assume you have noted the following prices for books and the number of pages that each book contains.
$\begin{array}{ccc}\text { Book }&\text { Pages } x \text { ) }&\text { Price y) }\\\mathrm{A} & 500 & \$ 7.00 \\\mathrm{~B} & 700 & 7.50 \\\mathrm{C} & 750 & 9.00 \\\mathrm{D} & 590 & 6.50 \\\mathrm{E} & 540 & 7.50 \\\mathrm{~F} & 650 & 7.00 \\\mathrm{G} & 480 & 450\end{array}$
a. Perform an F test and determine if the price and the number of pages of the books are related. Let ? = 0.01.
b. Perform a t test and determine if the price and the number of pages of the books are related. Let ? = 0.01.
c. Develop a 90% confidence interval for estimating the average price of books that contain 800 pages.
d. Develop a 90% confidence interval to estimate the price of a specific book that has 800 pages.

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Definitions:

From Openness

A principle or practice of being transparent, sharing information freely, and fostering an inclusive environment in business or community activities.

Abstract to Concrete

describes the process of taking theoretical ideas or concepts and translating them into actionable, tangible outcomes or products.

Divergent Thinking

A thought process or method used to generate creative ideas by exploring many possible solutions.

Brainstorm

A creativity technique designed to generate a large number of ideas for the solution of a problem.