Putting Infants to Sleep on Their Backs Has Greatly Reduced

question 7

Multiple Choice

Putting infants to sleep on their backs has greatly reduced the frequency of

• A) sleep apnea.
• B) Sudden Infant Death syndrome.
• C) narcolepsy.
• D) nocturnal enuresis.

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Definitions:

Confidence Interval

A range of values derived from sample data that is believed to contain the true population parameter with a certain level of confidence.

P-value

A statistical measure that helps in determining the significance of the results from a test, indicating the probability of observing results at least as extreme as those seen, under the assumption that the null hypothesis is true.

Chi-square Distribution

The Chi-square distribution is a probability distribution used in statistical significance tests, particularly suitable for categorical data.

Normal Distribution

A bell-shaped distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.