Chapter 1 Quiz
Card Set Information
Chapter 1 Quiz
Statistics Chapter 1 Quiz
Science of collecting, Organizing, analyzing, and interpreting data in order to make conclusions.
Information that is collected
i.e. measurements, counts, responses, and observations
Population vs Sample
All vs Some; sample is a subset of population
numerical description of a population characteristic
numerical description of a sample characteristic
summarizes and diplays the findings
conclusions based on descriptive statistics
labels, names, qualities, attributes
numerical measures and counts
Qualitative data; includes names, attributes, etc. No meaningful calculations can be made
Qualitative or Quantitative; can order or rank data; no meaningful calculations can be made
Quantitative data; zero is not an inherent zero, only a position on a scale. Meaningful differences can be found.
Quantitative data; zero is an inherent zero; values below zero wouldn't make sense to discuss. Meaningful ratios and/or differences can be found.
observe; do not change any existing conditions
conditions are changed in some way, or treatment is applied.
those a part of the study don't know what group they are in.
individuals don't know what group they are in, and experimenter doesn't know either. (however, someone does have to know)
used when it is too dangerous, costly, or impossible t use a different method.
no rules, just randomly pick a sample.
pick every nth individual/object to create sample
out of convenience, o to one location and collect information to use as sample
pick one or more subgroup, but not all and collect all info from the subgroup(s) to create the sample.
collect some info from all subgroups in order to create a sample.