MGMC02H3 Lecture Notes - Lecture 7: Standard Deviation, Null Hypothesis, Interquartile Range
Document Summary
Close-ended questions = you answer with one of responses given. Hypothesis: responses = can be stored as numbers, category / value = each, observation / frequency, variable = all responses possible response. All responses can be easily displayed in a frequency table. Statistics in this case = not all about math. Universal communication tool for explaining what your findings are. Univariate descriptive statistics exist = to give metal picture of distribution of response. To assess what is typical must assess level of measurement used. Levels of measurement used: nominal - no order (dichotomous) Eg: provinces, country of origin, brands, favourite colour: ordinal - ordered (no set distance between categories / value) Eg: strongly agree, agree, neither agree nor disagree, disagree, strongly disagree: interval/ratio - (order w/ standardized distance between categories/values) Eg: temperature (f or c), how much money do you make. Reminder: one category that doesn"t fit ordinal category makes it nominal measurement.
