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Statistics (statistics (types (inferential statistics (make inferences and…
Statistics
statistics
types
inferential statistics
make inferences and predictions based on the data/ apply to the population
correlational research
i
is there a relationship between...
use on variable to predict the score on another variable
descriptive statistics
organize and describe features of the data
descriptive analysis
variability or dispersion
range
standard deviation
variance
organizing data
histogram
line plot
frequency polygon
frequency distribution
relative standing
quartiles
percentile ranks
z-score
central tendency
median
mean
mode
hypotheses
testing a hypothesis
compute the sample statistic (t-test)
reject or fail to reject the null hypothesis
collect data
determine practical significance of the results
set a level of significance (alpha level)
establish the hypothesis and null hypothesis