STA 2023 Lecture Notes - Lecture 1: State College Of Florida, Manatee–Sarasota, Statistical Inference, Course Evaluation
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Descriptive statistics- consist of the collection, organization, summarization and presentation of data. Inferential statistics- consist of generalizing from samples to populations, performing estimations and hypothesis tests, determining relationships among variables, and making predictions. Descriptive: drinking decaffeinated coffee can raised cholesterol levels by 7% A study conducted at manatee community college revealed that students who attended class 95 to 100% of the time usually received an a in the class. Students who attended class 80 to 90% of the time usually received a b or c in the class. Students who attended class less than 80% of the time usually received a d or f or eventually withdrew from the class. Based on this information, attendance and grades are related. If you improve your attendance, your grades will probably improve: identify the individuals of the study and variables. Qualitative variable: the variable describes an individual through grouping or categorization.
