Approximately 2 Billion People in the World Have One of the Following

question 38

Multiple Choice

Approximately 2 billion people in the world have one of the following diseases, which one is it?

• A) Iodine deficiency
• B) iron-deficiency anemia
• C) Vitamin A deficiency
• D) Zinc deficiency

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Definitions:

Degrees of Freedom

The number of independent values or quantities which can be assigned to a statistical distribution without violating any constraints.

Obtained Value

The actual measured or computed value from a statistical analysis or experiment.

Chi-square Test

A nonparametric statistical test used to determine if there is a significant association between two categorical variables.

Mutually Exclusive

A statistical term describing two events that cannot occur at the same time, implying no overlap between the events.