Describe the Strength and Direction of the Linear Correlation

question 51

Multiple Choice

Describe the strength and direction of the linear correlation.
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• A) Weak positive linear correlation
• B) Weak negative linear correlation
• C) Strong negative linear correlation
• D) Little or no linear correlation

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Definitions:

P-Value

The probability of observing test results at least as extreme as the results actually observed, under the assumption that the null hypothesis is true.

Confidence Interval

A range of values, derived from sample data, that is likely to contain the value of an unknown population parameter, with a specified level of confidence.

Null Hypothesis

A default hypothesis that there is no significant difference or effect, often symbolized as H0, to be tested against an alternative hypothesis.

Level Of Significance

A different phrasing for the threshold probability used to decide when a hypothesis test's results are too unlikely under the null hypothesis, prompting its rejection.