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Your brother mentions that several days ago he began to feel as if he was coming down with a cold,but now is no longer experiencing any signs or symptoms and feels fine.Having just studied the infectious disease process in your microbiology course,you immediately recognize that he is describing the phase of illness.
Chi-Square Goodness-of-Fit Test
A statistical test used to determine whether a set of observed frequencies differ from a set of expected frequencies.
Expected Frequencies
The theoretically predicted counts of occurrences across different categories in a contingency table, used in chi-squared tests.
Chi-Square Distribution
A statistical distribution used to assess the goodness-of-fit between observed and expected frequencies.
Degrees of Freedom
The number of independent pieces of information available to estimate another parameter.
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