first term TEST
with verified
solutions
Qualitative data - answer values categorized by
traits that do not take a numerical value
Quantitative data - answer values that are
measured
Histogram - answer graph of distribution of
outcomes for a single numerical variable
Outlier - answer individual whose variable value
falls outside of the overall pattern; outside 3
standard deviations
, Skewed Left - answer longer tail of histogram is on
the left side, most data is on the right
Skewed Right - answer longer tail of histogram is
on the right side, most data is on the left
Symmetric - answer both sides of histogram are
approximately mirror images
Mean - answer set of observations is computed by
adding up all the numeric data then dividing the
aggregate sum by the number of observations
(total of values)/(number of values)
Used for quantitative data that is symmetrical
Median - answer formal version of the middle of
the observations
used for quantitative data that is skewed left or
right
Mode - answer the most frequently occurring value
in a set of numerical observations
used for qualitative data