Terms and
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σx/σn= standard deviation
standard deviation- is a measure of the amount
of variation or dispersion of a set of values
x̄= mean
Mean= average
Median= middle of a set of data
Range= Biggest-smallest
Mode= value that appears the most
Upper boundary =Q3 + (1.5 x IQR)
Lower boundary =Q1 - (1.5 x IQR)
IQR= Q3-Q1
Median= (N+1/2)th data value
R= correlation coefficient
Symbols
-
Statistic
s Calc
instructions
To get info
Type data
values in the
columns and
label them
Menu
stats
 stat calcs
 onevariable stats
-
-
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Non-resistant= effected by outliers (mean)
Resistant= not effected by outliers (median)
Correlation- a statistical measure that expresses
the extent to which two variables are linearly
related
Causation- indicates that one event is the result
of the occurrence of the other event
(Least squares) Regression line- line of best fit
Interpolating- a statistical method by which
related known values are used to estimate an
unknown price or potential yield of a security
Extrapolating- a statistical technique aimed at
inferring the unknown from the known.
It attempts to predict future data by relying on
historical data, such as estimating the size of a
population a few years in the future on the basis
of the current population size and its rate of
growth
 choose
your
columns
 press ok
and ta da
To plot a graph
Add new page
data & stats
 label x and
y axis
Menu
 plot type
 choose the
graph you
want