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# Stats Exam 1

What is a statistic Summarized value of a sample
what is a sample subset of a population
what is a paramater summarized value of population
what is statistics study of variation
what type of data do we deal with continous, raw, normal, interval
what is central tendency single score used to represent all the scores
what is variability scatter or spread of scores
what is deviation how far the raw score from the mean is
what is variation sum of square deviations from mean
what is variance mean squared
formula for standard deviation square root of MS
formula for Variance MS or Ssquared. SS/(n-1)
Formula for variation SS= Sum of (Y2) - (Sum Y)2/n
Sum of scores Sigma Y
Sum of squared scores Sigma (Y2)
Sum of scores squared (Sigma Y) 2
sum of squares
Created by: brej12