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PS1001 Statistics Flashcard
Cards in this deck (10)
- 1Meantotal score divided by score number
/ measure of central tendency - 2modemost frequent score
/ measure of central tendency - 3medianmiddle number
/ measure of central tendency - 4central tendencydescribes the way in which a group of data revolves around a central value
- 5rangelargest - smallest
- 6IQRupper quartile - lower quartile
- 7z scorescore - mean divided by SD
tells us the number of standard deviations above and below the mean value - 8Std errorSD divided by the square root of n
/ measures the accuracy with which a sample distribution represents a population by using standard deviation - 9degrees of freedon(paired samples) df = n - 1
(independent) df = n1+n2-2 or (n1-1)+(n2-1)
/ number of independent pieces of information that remain after estimating one or more parameters - 10standard deviationspread of scores across the mean of a sample - measure of dispersion within a set of data
MEASURE OF DISPERSION AROUND THE MEAN
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- Flashcards on PS1001 Statistics Flashcard, created by Ash Srivastava on 20/11/2019.
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- Ash Srivastava
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