Given the Following fiVe Points: (-2,0), (-1,0), (0,1), (1,1), and (2,3)

question 62

Multiple Choice

Given the following five points: (-2,0) , (-1,0) , (0,1) , (1,1) , and (2,3) .
What is the critical value necessary to determine a confidence interval for a 90% level of
Confidence?

• A) 1.533
• B) 1.638
• C) 2.132
• D) 2.353

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Definitions:

Straight Line

In mathematics and statistics, a linear relationship or function that can be graphically represented as a straight line in Cartesian coordinates.

Correlation Coefficient

A statistical measure ranging from -1 to 1 that indicates the strength and direction of the linear relationship between two variables.

Scatterplot

A graphical representation of individual data points plotted on a two-dimensional plane, often used to observe and analyze the relationship between two variables.

Least Squares Regression Line

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