A Study Has Recently Been Conducted by a Major Computer

question 33

Multiple Choice

A study has recently been conducted by a major computer magazine publisher in which the objective was to develop a multiple regression model to explain the variation in price of personal computers.Three quantitative independent variables were used along with one qualitative variable.The qualitative variable was coded 1 if the computer included a monitor,0 otherwise.The following computer printout shows the final output. Based on this information,and with a 0.05 level of significance,which of the following conclusions can be justified?

• A)Knowing whether the computer comes with a monitor or not is a significant factor in explaining the variation in price of the computer.
• B)There are substantial multicollinearity effects in this regression model.
• C)The only significant variable in the model at the .05 level of significance is Hard Drive Capacity.
• D)Removing the Monitor dummy variable would reduce the standard error of the estimate considerably.

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Definitions:

Stacked Button

A UI design where buttons are aligned vertically, one on top of the other, to save space or organize functions.

Remove Layout

A command to delete or clear the layout configuration of elements in a software application or document.

Control Margins

The spacing or padding around interface elements or controls (e.g., buttons, fields) that helps differentiate and organize the elements within a design.

Form Design View

A mode in database applications that allows users to create and modify the layout of forms without affecting the underlying data.