Solve the Problem $\mathrm { r }$ Is $- 0.55$ Determine How Much of the Variation in the Number

question 45

Multiple Choice

Solve the problem. Round your answers to the nearest whole percent.
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The scatter diagram shows the data for the number of cars waiting by a school (y) and the amount of time after tl of classes (x) . The correlation coefficient $\mathrm { r }$ is $- 0.55$ . Determine how much of the variation in the number of wait cars can be accounted for by the best-fit line.

• A) \(30 \%\)
• B) \(20 \%\)
• C) \(70 \%\)
• D) \(45 \%\) end

Distinguish between different types of scanners and their uses.

Comprehend the basics of computer hardware components including their main functions.

Understand the role and workings of computer memory and storage.

Identify the health risks associated with prolonged computer use and preventive measures.

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Definitions:

Populations

Groups of individuals belonging to the same species that live in the same area and are capable of interbreeding.

Founder Effects

A genetic phenomenon where a new population starts from a small number of individuals, leading to a reduced genetic diversity relative to the original population.

Genetic Drift

A mechanism of evolution that causes random changes in the frequency of alleles in a population over time.

Gene Flow

The transfer of genetic variation from one population to another, which can lead to changes in the gene pools of both populations.