Further Applications of Normal Distributions (HSC SSCE Mathematics Standard): Flashcards
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3 equal measures in normal distribution
3 equal measures in normal distribution
Mean, mode, and median
Shape of normal distribution around mean
Shape of normal distribution around mean
Perfectly symmetrical
Alternative name for 68-95-99.7 rule
Alternative name for 68-95-99.7 rule
Empirical rule
% within 1 SD of mean ( between and )
% within 1 SD of mean ( between and )
68%
% within 2 SDs of mean ( between and )
% within 2 SDs of mean ( between and )
95%
% within 3 SDs of mean ( between and )
% within 3 SDs of mean ( between and )
99.7%
Formula for z-score
Formula for z-score
What z-score measures
What z-score measures
Standard deviations a value is from mean
% between mean and 1 SD (one side)
% between mean and 1 SD (one side)
34%
% between 1 and 2 SDs (one side)
% between 1 and 2 SDs (one side)
13.5%