KINE 2050 Chapter 1-2: Kine 2050 Chapter 1-2 Textbook Notes
7 Feb 2013
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Science consists of observation and observation consists of measurement, the result of measurement is numerical data. Scientists observe in order to understand the relations between events, thus discover. Statistics is a methodology for extracting information and meaning from numbers and for making decision about them. It is important to learn statistics because you can easily be led astray if you cannot see through flawed uses of statistics or do not know how to ask intelligent questions. My group has 30% less cavities with this toothpaste ask 30% less than what. Ask if the group had 30% less teeth, or how many people were in the study. Purposes of statistical methods: descriptive statistics: Consists of techniques for organizing, summarizing, and extracting info from numerical data. Mean, median, mode, standard error are all descriptive stats. Descriptive stats are the first stage on analysis: inferential statistics: The body of rules and procedures by which general statements are made.
