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Stat151
Common Stat 151 Terms to know
Question | Answer |
---|---|
What is statistics | a way of reasoning and a collecting of tools and methods that help us comprehend the world OR particular calculations made from data |
What is Data | values (numbers, record names, labels) along with their context |
Who | the individual cases about whom or which the data is from |
Respondents | Individuals who answer a survey |
Subjects / Participants | People on whom we experiment on |
Experimental Units | Animals, Plants, inanimate subjects |
Variables | Characteristics recorded about each individual |
What | determines the variable that has been measured, some have units Ex. Mass, Time, Distance |
Categorical or Qualitative Variables | Quality of something, uses words Ex. sex, race, ethnicity |
Quantitative variables | Comes with a unit of measurement Ex. Income ($), Height (inches), weight (pound) |
Ordinal variables | Rank or data in terms of degree |
Indentifier Variables | categorical variables with one invidual in each category Ex SIN, FedEx tracking number, ISBN |
Why | why the data is useful |
trial | sequence of events we want to investigate |
component | building blocks of a simulation |
Sample Surveys |