THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 107

Multiple Choice

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A sample of 8 households was asked about their monthly income (x) and the number of hours they spend connected to the internet each month (y) .The data yield the following statistics:
,
,
,
,
-The slope of the regression line of hours on income is:

• A)0.6337
• B)0.9482
• C)0.5541
• D)0.6475

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Definitions:

Integers

Whole values including positive, negative, and zero without any fractions or decimals fall under the category of integers.

Factor

In mathematics, a factor is a number or expression that divides another number or expression evenly, without leaving a remainder.

Expression

A mathematical phrase that can contain numbers, variables, and operation symbols but does not have an equal sign.

Zero-Factor Property

A rule stating that if the product of two factors equals zero, at least one of the factors must also be zero.