A 001 Significance Level Is Being Used to Test a Correlation

question 164

Multiple Choice

A 0.01 significance level is being used to test a correlation between two variables. If the linear correlation coefficient r is found to be 0.591 and the critical values are r = ±0.590 what can you conclude?

• A) There is sufficient evidence to support the claim of a linear correlation between the two variables.
• B) There is not sufficient evidence to support the claim of a linear correlation between the two variables.

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Definitions:

Vertebrate Jaw

A structural feature found in vertebrates that is composed of bony or cartilaginous structures surrounding the mouth, utilized for biting, chewing, and manipulation of food.

Amphibians

A class of cold-blooded vertebrates that live both in water and on land, such as frogs and salamanders.

Fishes

Aquatic vertebrates that have gills throughout life and limbs, if any, in the shape of fins.

Four-Chambered Heart

A heart structure that consists of four chambers (two atria and two ventricles), found in birds and mammals, enabling efficient separation of oxygenated and deoxygenated blood.