The Practice of T'ai Chi Has Many Benefits for Older

question 24

Multiple Choice

The practice of T'ai chi has many benefits for older people including all of the following except:

• A) reduces the risks of falls.
• B) increased muscle mass.
• C) sleep enhancement.
• D) increased immunity.

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Definitions:

Total Variation

In statistics, the total sum of squares that measures the overall variation within a dataset.

Demographic Variables

Characteristics of subjects that are often used to segment populations, such as age, gender, income, and education.

Significance Level

A rephrased version: The critical value that defines the cutoff for statistical significance in testing hypotheses, representing the risk of concluding a false positive.

Multiple Regression

A statistical tool that uses multiple variables as inputs to project the outcome of a related response variable.