A Simple Goiter Is

question 35

Multiple Choice

A simple goiter is:

• A) a decrease in the size of the thyroid.
• B) an increase in the size of the thyroid.
• C) no change in the size of the thyroid.
• D) none of the above.

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Definitions:

Chi-Square Distribution

The chi-square distribution is a statistical distribution used in hypothesis testing that is applicable to variables measured on a nominal scale, primarily for goodness-of-fit and independence tests.

Test Statistic

A numerical value calculated from a sample and used in hypothesis testing to evaluate the plausibility of the null hypothesis.

Critical Region

The set of values for which the null hypothesis is rejected in a statistical test.

Null Hypothesis

A default assumption in statistical hypothesis testing that there is no effect or no difference, used as a basis for testing statistical significance.