Latest 2024-2025
Quiz:Histogram - Answer : A graphical representation -- bars, measuring the
frequency within each interval
Quiz :Skewed right - Answer : Not a symmetric distribution, the tail is on the
right
Quiz :Measures of center - Answer : Median, the mean (and mode)
Quiz :Measures of spread - Answer : Range, IQR & standard deviation
Quiz :Standard Deviation Rule - Answer : 68% of the data are within 1 standard
deviation,
95% are within 2,
99.7% are within 3 standard deviations from the mean.
Quiz :median (for center) & IQR (for spread) - Answer : skewed data uses these
for center and spread
Quiz :Scatter plot - Answer : A graphical representation of Q -> Q
Quiz :Two way table - Answer : A graphical representation of C -> C
Quiz :Side-by side box - Answer : A graphical representation of C -> Q
Quiz :Interpolation - Answer : Making predictions *within* the range of your
data. This is usually accurate.
Quiz :Extrapolation - Answer : Making predictions *outside* of the range of your
data. This is generally a bad idea.
Quiz :Simpson's Paradox - Answer : When split up, each data set can have a
pattern which goes away when all the data is combined.