Z-Scores (HSC SSCE Mathematics Standard): Flashcards
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Practise the cards
10 cards from this deck
What a z-score measures
What a z-score measures
How far a score is from the mean in standard deviations
Z-score formula
Z-score formula
Meaning of a positive z-score
Meaning of a positive z-score
The score is above the mean
Meaning of a negative z-score
Meaning of a negative z-score
The score is below the mean
Meaning of a z-score of 0
Meaning of a z-score of 0
The score equals the mean
Meaning of a z-score of 1
Meaning of a z-score of 1
One standard deviation above the mean
Meaning of a z-score of -1
Meaning of a z-score of -1
One standard deviation below the mean
Mean and SD of a set of z-scores
Mean and SD of a set of z-scores
Mean = 0, Standard deviation = 1
Purpose of z-scores
Purpose of z-scores
Standardise and compare scores from different distributions
What a larger absolute z-score indicates
What a larger absolute z-score indicates
The score is further from the centre of the data