Vignette #2 Juan and Rosa Are in Their Late 20s

question 73

Multiple Choice

Vignette #2 Juan and Rosa are in their late 20s, and both have parents that are experiencing a loss of vitality. Juan's mom has a curved back, and Rosa's mother is obese. Juan's dad is experiencing depression and Rosa's father has macular degeneration. Juan and Rosa have many questions about how to avoid these conditions in their future if possible. Let's answer their questions to see if we can help them. To reduce the risk of macular degeneration, Juan and Rosa should:

• A) eat a diet rich in low-fat dairy such as 1% milk.
• B) eat foods rich in beta-carotene such as cantaloupe.
• C) eat foods high in protein but low in saturated fat such as salmon.
• D) choose foods high in vitamin B₁₂ such as steak.

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Definitions:

Trend Component

An underlying pattern in data that shows a persistent, general direction of movement over time.

Simple Exponential Smoothing

A time series forecasting method for univariate data that applies decreasing weights to past observations as they age.

Mean Absolute Deviation

A statistical measure of the dispersion or variability in a data set, calculated as the average distance between each data point and the mean of the data set.

Mean Squared Error

A measure of the average of the squares of the errors or deviations, that is, the difference between the estimator and what is estimated.