What Is the Minimum Centers for Disease Control and Prevention

question 11

Multiple Choice

What is the minimum Centers for Disease Control and Prevention (CDC) -recommended moderate-intensity aerobic exercise for adults,older adults,and pregnant women?

• A) 1 hour,3 times a week
• B) 2 hours,3 times a week
• C) 2 hours and 30 minutes a week,spread out across the 7-day period
• D) 3 hours and 30 minutes a week,spread out across the 7-day period

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Definitions:

Sample Size

The quantity of subjects or units selected from a population to participate in a research study, determining the study's ability to detect a significant effect.

T Procedure

A statistical method typically used to test hypotheses when the sample size is small and the population variance is unknown, involving the t-distribution.

Approximately Normal

Describes a distribution that closely follows a normal distribution, often used as an assumption in statistical tests.

P-value

The probability of obtaining test results at least as extreme as the ones observed during the study, assuming that the null hypothesis is correct.