The Correlation Between Two Variables Is 0

question 53

Multiple Choice

The correlation between two variables is 0.29 for a sample of 12 observations. Based on a null hypothesis of no correlation versus an alternative hypothesis of positive correlation, what conclusion may be drawn at the.05 level of significance?

• A) Reject H₀. There is evidence of positive correlation between the variables.
• B) Do not reject H₀. We do not have evidence of positive correlation.
• C) Reject H₀. We have evidence of negative correlation.

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Definitions:

Diabetes

A metabolic disease characterized by high blood sugar levels over a prolonged period, resulting from defects in insulin secretion, insulin action, or both.

Incidence Rate

The frequency at which new cases of a particular disease occur in a population during a specified period.

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A highly contagious viral infection of the respiratory passages causing fever, severe aching, and catarrh, and often occurring in epidemics.

Young Age Group

The population segment that typically encompasses children and teenagers, characterized by early stages of physical and cognitive development and specific health and educational needs.