Instruction 14-9
the President of a Chain of Department Stores

question 121

Short Answer

Instruction 14-9
The president of a chain of department stores believes that her stores' total sales have been showing a linear trend since 1980. She uses Microsoft Excel to obtain the partial output below. The dependent variable is sales (in millions of dollars), while the independent variable is coded years, where 1990 is coded as 0, 1991 is coded as 1, etc.
$$\begin{array}{l}\text { SUMMAROUIPUT }\\\begin{array} { l l } \text { Regression Statistics } & \\\text { MultipleR } & 0.604 \\\text { R Square } & 0.365 \\\text { Adjusted R Square } & 0.316 \\\text { standard Error } & 4.800 \\\text { Observations } & 17 \\& \\& \text { Coefílients } \\\text { Intercept } & 31.2 \\\text { Coded Year } & 0.78\end{array}\end{array}$$
-Referring to Instruction 14-9,the fitted trend value (in millions of dollars)for 1990 is_______.

Understand the relative stability of different alkenes based on molecular structure.

Apply Zaitsev's rule to predict the most stable alkene.

Determine the heat of hydrogenation for various alkenes.

Recognize the application of Bredt's rule and its violation.

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