Chapter 1 Quiz Flashcards
Data
The information
Sample
Part of population that is selected to collect data from to represent the whole population
Class Interval
Category/division used for grouping a set of observations
Discrete Data
Numerical data that’s is easily counted (no decimals)
Integral Value
Positive/negative whole numbers
Census
When u ask everyone in a population rather than a sample
Scatter Plot
Graphing method where one dot represents the x and y value
Trend
Pattern of average behaviour that occurs over time
Coefficient of correlation
This is the “r” value shows direction and strength weather it is strong weak or no correlation
Coefficient of determination
The “r^2” value that when multiplied by 100 gives percentage of relation
Population
Entire group of which data is being collected from