Regression Analysis Was Applied Between Sales (Y in $1,000) and Advertising

question 4

Multiple Choice

Regression analysis was applied between sales (Y in $1,000) and advertising (X in $100) , and the following estimated regression equation was obtained. = 80 + 6.2 X Based on the above estimated regression line, if advertising is $10,000, then the point estimate for sales (in dollars) is

• A)$62,080
• B)$142,000
• C)$700
• D)$700,000

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Definitions:

Population Variation

The differences in phenotypes and genotypes within a group of individuals, often studied in genetics and ecology.

Survival Rates

The percentage of individuals surviving or expected to survive a certain condition or disease over a specified period.

Traits Passed

Characteristics or qualities that are genetically transferred from parents to offspring through the process of inheritance.

Common Ancestry

The shared genetic heritage between two or more entities, indicating they originated from the same ancestor.