STAT-2300 Lecture Notes - Lecture 1: Statistical Inference, Eye Color, Nominal Level
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Anecdotal claims are those that don"t have sound evidence. The ability to refute anecdotal claims w statistical analysis. Keenly looking for lurking variables that could occur in a study. Lurking variables are elements that can adversely affect the results of a study. The knowledge that results in statistics is not certain. Individuals: specific units that are being measured in the study (ex. cars, people) Population: the whole group that is being studied. Census: data collected for every indiv. The population wording can include all in front of it. Parameter: a summary of the population which is fixed and unknown. this is usually. One sample taken at one point during the day can conveyed in a numerical format. give slightly different results from a sample taken at a different point. We will never know what the true approval rating is in the population. This value is used to estimate the value of the population parameters.