INTRODUCTION TO STATISTICS. An Overview of Statistics.
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Transcript of INTRODUCTION TO STATISTICS. An Overview of Statistics.
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INTRODUCTION TO STATISTICS
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An Overview of Statistics
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VOCABULARYData: consists of information coming
from observations, counts, measurements, or responses.
Statistics: the science of collecting, organizing, analyzing, and interpreting data in order to make decisions.
Population: The collection of ALL outcomes, measurements, or counts that are of interest.
Sample: a subset (or part) of the population
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EX: Classifying Data SetsDetermine if the set is a population or a
sample. Explain your reasoning.14. The annual salary of each pharmacist
at a pharmacy.
15. The cholesterol levels of 20 patients in a hospital with 100 patients.
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EX: Identifying Populations & SamplesID the population and the sample.26. A study of 33, 043 infants in Italy
was conducted to find a link between a heart rhythm abnormality and sudden infant death syndrome. (source: New England Journal of Medicine)
27. A survey of 1442 US adults found that 36% received an influenza vaccine for the current flu season. (source: Zogby International)
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More Vocab!Parameter: a numerical description of a
POPULATION characteristic.Statistic: a numerical description of a
SAMPLE characteristic.There are 2 branches of Statistics…1. Descriptive Statistics: involves
organization, summarization, and display of data.
2. Inferential Statistics: involves using a sample to draw conclusions about a population.