In a Study by Shaw and Colleagues, the Higher the Level

question 168

Multiple Choice

In a study by Shaw and colleagues, the higher the level of maternal obesity, the higher the rate of neural tube defects. Folic acid supplements

• A) were effective in reducing neural tube defects for all women.
• B) were not effective in women weighing more than 154 pounds.
• C) were effective only in the most obese women.
• D) increased the rate of neural tube defects.

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Definitions:

Frequency Distribution

The representation, either in a graph or table form, of how often each value occurs in a set of data.

Sample

A subset of individuals from a larger population, selected to represent the population in a study.

Frequency Distribution

A frequency distribution is a summary table that shows the frequency or count of each possible value in a dataset, typically used to observe the distribution patterns.

Sample

A subset of individuals or observations selected from a larger population, used to infer or make generalizations about the whole group.