In a Simple Linear Regression , the Following Statistics Are

question 21

Multiple Choice

In a simple linear regression , the following statistics are calculated from a sample of ten observations: = 2250, = 10, = 50, = 75. Which of the following values equals the least-squares estimates of the slope and y-intercept, respectively?

• A) 1.5 and 0.5
• B) 1.5 and 2.5
• C) 2.5 and -5.0
• D) 2.5 and 1.5

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Definitions:

Nominal Variables

Variables that represent categories with no intrinsic ranking or order among them.

Data

Information, especially facts or numbers, collected to be examined and considered and used to help decision-making.

Haworth Projection

A method for depicting the cyclic structure of monosaccharides with a simple planar projection.

Cyclic Hemiacetal

A molecule formed from the reaction between an aldehyde and an alcohol resulting in a ring structure containing an oxygen atom.