Suppose a public health official wants to estimate the true proportion of Wiscon

Question

Suppose a public health official wants to estimate the true proportion of Wisconsin residents who were diagnosed with influenza in the last year. The public health official randomly selects 2000 medical records of people who visited their doctor in the last year. She records whether a diagnosis of influenza appears in the medical record. The public health official then computes the proportion of people diagnosed with influenza among these 2000 individuals. Classify each description as one of a parameter, variable, population, sample, data, or statistic. Each classification has one description. Parameter Variable Population Sample Data Statistic Answer Bank a quantity equal to one or zero, depending on whether a randomly selected person was diagnosed with influenza

Explanation / Answer

Parameter- the proportions of Wisconsin residents diagnosed with influenza.

Variable- a quantity equal to one or zero depending on whether a randomly selected person was diagnosed with influenza

Population- All the residents of Wisconsin

Sample-the 2000 individuals whose medical records the health official selected

Data-the 2000 observations collected on Wisconsin indicating the absence or presence of influenza diagnosis.

Statistic- the proportions of Wisconsin residents in the health officials’ survey who were diagnosed with influenza.

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