Statistical reasoning for health sciences

Statistical reasoning for health sciences Terms in this set (43) Population Collection of persons things or objects under study. Sample a subset of the population Brainpower Read More 0:12 / 0:15 statistic a number that describes some characteristic of a sample Parameter a numerical measurement describing some characteristic of a population representative sample a sample that accurately reflects the characteristics of the population as a whole Variable A characteristic that can be determined for each member of a population. Numerical Variables (Quantitative) Take on values with equal units such as weight in lbs or time in hours Categorical Variable (Qualitative) place an individual into groups based on a characteristic, behavior, or outcome Data Actual values of the variable. Can be words or numbers. qualitative data Data that approximates or characterizes but does not measure the attributes, characteristics, properties, etc., of a thing or phenomenon. quantiative data Information that can be expressed in statistical or numerical form random sample method of selecting from a population in which each person has an equal probability of being selected