Given That the Rank Correlation Coefficient, Rs, for 15 Pairs

question 33

Essay

Given that the rank correlation coefficient, rs, for 15 pairs of data is -0.623, test the claim of no correlation between the two variables. Use a significance level of 0.01.

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Definitions:

Dependent Variable

The variable in a study or experiment that is expected to change or respond due to manipulation of the independent variable(s).

Graph

A visual representation of data designed to show relationships between sets of variables using points, lines, bars, or sections.

Straight Line

The shortest distance between two points, often used to describe a linear relationship in mathematics and physics.

Sample Regression Equation

A formula that estimates the relationship between variables using data from a sample, predicting the dependent variable based on independent variables.