Which of These Coefficients of Correlation (R) Indicates a Strong

question 85

Multiple Choice

Which of these coefficients of correlation (r) indicates a strong positive linear relationship between the two variables of interest?

• A) -1.3
• B) -0.9
• C) 0.8
• D) 0.9

Apply hypothesis testing methods to practical scenarios for decision making.

Understand the concept and application of hypothesis testing in real-world scenarios.

Calculate and interpret p-values in the context of hypothesis tests.

Formulate null and alternative hypotheses for different types of tests.

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Definitions:

Circadian Rhythms

Biological processes that display an endogenous, entrainable oscillation of about 24 hours, affecting sleep patterns, hormone release, and other bodily functions.

Plants

Living organisms belonging to the kingdom Plantae that typically produce their own food through photosynthesis and have cell walls.

Depressants

Substances that reduce the activity of the central nervous system, often used to induce calmness, reduce anxiety, or promote sleep.

Reduced Anxiety

A state or condition in which feelings of worry, nervousness, or unease are diminished or less intense.