Use the Appropriate Rounding Rule to Answer the Question with the Correct

question 239

Multiple Choice

Use the appropriate rounding rule to answer the question with the correct precision or correct number of significantdigits.
-At the beginning of last year, the population of your city was 161,000. By the end of the year it had increased by 2481 people. What was the population at the end of the year?

• A)163,000
• B)160,000
• C)163,500
• D)163,481

Explain the physiological mechanisms of blood pressure and cardiac cycle in vertebrates.

Identify adaptations in the circulatory system related to different environmental and physiological demands.

Understand the significance of fossil evidence in tracing the evolution of vertebrate circulatory systems.

Understand the unique mechanisms of gas exchange in amphibians.

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Definitions:

Dependent Variable

A variable in an experiment or study whose changes are subject to the variations in other variables (independent variables).

Predicted Values

The values estimated based on a statistical model that represents the expected outcome for a given set of input variables.

Least Squares Line

A straight line that best fits the data points on a scatter plot, minimizing the sum of the squares of the vertical distances of the points from the line.

Coefficient of Determination

A statistical measure, often denoted as \(R^2\), which quantifies the amount of variance of the dependent variable that can be explained by the independent variable(s).