All of the Following Practices May Help to Reduce Lead

question 12

Multiple Choice

All of the following practices may help to reduce lead exposure EXCEPT

• A) using hot instead of cold tap water to prepare foods and beverages.
• B) consuming a variety of whole grains, lean meats, and low-fat dairy products.
• C) allowing cold water to run from the tap for 2 - 3 minutes after a long period of inactivity.
• D) ensuring adequate iron, zinc, calcium, thiamin, and vitamin E intakes.

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Definitions:

One-way ANOVA

A statistical test used to determine if there are statistically significant differences between the means of three or more independent groups based on one variable.

F-ratio

The F-ratio is a statistic used to compare variances across groups, often in ANOVA, to test if the means of several groups are equal.

Critical Value

A point on the scale of the test statistic beyond which we reject the null hypothesis, assuming the null hypothesis is true.

Critical Value

A threshold in hypothesis testing that defines the boundary or cutoff for deciding whether to reject the null hypothesis.