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# Prob and stats

TermDefinition
Slope m
Qualitative Data attributes, labels, or non non-numeric entries
y dependent variable
Statistic numerical description of a sample
Regression Line the line of best fit
Experiment a treatment is applied and responses are observed
x independent variable
Survey an investigation carried out by asking questions
Population the collection of all outcomes
Y-intercept b
Frequency number of data entries in the class
The y-value of a data point corresponding to x! y!
Statistics the science of collecting, organizing,analyzing,and interpreting data
Scatterplot ordered pairs are graphed as points on a graph
The mean of the y values - y
Parameter numerical description of a population
Sample subset of population
Pareto Chart histogram with decreasing bars
The point a regression line passes through (x,y)
Interquartile range difference between the first and third quartile
Range the distance between the max and min
The y-value for a point on the regression line corresponding to x! ^ y
Mean sum of data entries divided by number of entries
Mode piece of data that occurs the most
Quantitative numerical measurements or counts
Residual the difference between the observed y-value and the predicted y-value
Simple Event single outcomes
Sample Space set of all possible outcomes
Subjective Probability what you think will happen
Variance σ2
Classical Probability when each outcomes is equally likely to occur
Combination selection of objects without order
Permutation "ordered" arrangements of objects
Empirical Probability probability determined by experiment
Outcome the result of a single trial
Mutually Exclusive two events that cannot occur at the same time
Standard Deviation σ
Complement of an Event all outcomes that are not desired
Event one or more outcomes
Dependent Events two events that rely on eachother
Outliers are extreme values not in the norm
Created by: Ashayla