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five |important |charteristics |of |data |- |correct |answer |✔Center |- |a |representative |or |average |value |that |indicates |where |the |data |set |is |located
Variation |- |a |measure |of |the |amount |that |the |data |values |vary |among |themselves
Distribution |- |the |nature |or |shape |of |the |distribution |of |the |data |(such |as |bell- shaped, |uniform, |or |skewed)
Outliers |- |sample |values |that |lie |very |far |away |from |the |vast |majority |of |the |other |sample |values
Time |- |changing |characteristics |of |the |data |over |time
a |representative |or |average |value |that |indicates |where |the |data |set |is |located |- |correct |answer |✔Center
a |measure |of |the |amount |that |the |data |values |vary |among |themselves |- |correct
|answer |✔Variation
the |nature |or |shape |of |the |distribution |of |the |data |(such |as |bell-shaped, |uniform, |or |skewed) |- |correct |answer |✔Distribution
sample |values |that |lie |very |far |away |from |the |vast |majority |of |the |other |sample |values |- |correct |answer |✔Outliers
changing |characteristics |of |the |data |over |time |- |correct |answer |✔Time
in |_______, |the |objective |is |to |summarize |or |describe |the |important |characteristics |of |a |set |of |data |- |correct |answer |✔descriptive |statistics
in |_______, |sample |data |is |used |to |make |generalizations |about |a |population |- |correct |answer |✔inferential |statistics
a |______ |lists |data |values |(either |individually |or |by |groups |of |intervals), |along |with |their |corresponding |frequencies |(or |counts) |- |correct |answer |✔frequency |distribution
the |____ |for |a |particular |class |is |the |number |of |original |values |that |fall |into |that |class. |- |correct |answer |✔frequency
the |smallest |numbers |that |can |belong |to |the |different |classes |- |correct |answer |✔lower |class |limits
the |largest |numbers |that |can |belong |to |the |different |classes |- |correct |answer
|✔upper |class |limits
numbers |used |to |seperated |classes, |but |without |the |gaps |created |by |class |limits |- |correct |answer |✔class |boundaries
how |to |find |class |midpoint |- |correct |answer |✔add |the |lower |class |limit |to |the |upper |class |limit |and |divide |the |sum |by | 2
a |line |graph |that |depicts |the |cumulative |frequencies |- |correct |answer |✔ogive
uses |class |boundaries, |useful |for |determining |the |number |of |values |below |some |particular |value |- |correct |answer |✔ogive
consists |of |a |graph |in |which |each |data |value |is |plotted |as |a |point |along |a |scale |of |values. |Dots |representing |equal |values |are |stacked |- |correct |answer |✔dotplot
represents |data |by |seperating |each |value |into |two |parts |- |correct |answer
|✔stem |and |leaf |plot
a |bar |graph |for |qualitative |data, |with |the |bars |arranged |in |order |according |to |frequencies |- |correct |answer |✔pareto |chart
how |to |make |a |pie |chart |- |correct |answer |✔multiply |the |relative |frequency |of |the |class |by | 360 |to |get |the |degrees |(ex |76% |is |0.76 |* | 360 |= | 274 |degrees)
does |a |better |job |than |a |pie |chart |in |showing |the |relative |sizes |of |different |categories |- |correct |answer |✔pareto |chart
a |plot |of |paired |(x,y) |data |with |a |horizontal |x-axis, |and |a |vertical |y-axis. |- |correct
|answer |✔scatter |diagram |or |plot
pattern |of |plotted |points |that |is |often |helpful |in |determining |whether |there |is |a
|relationship |between |two |variables |- |correct |answer |✔scatterplot
data |that |have |been |collected |at |different |points |in |time |- |correct |answer |✔time |series |data
a |____ |is |a |value |at |the |center |or |middle |of |a |data |set |- |correct |answer |✔measure |of |center
four |measures |of |center |- |correct |answer |✔mean, |median, |mode, |midrange
the |sum |of |all |values |divided |by |the |number |of |values |- |correct |answer |✔mean
the |middle |number |when |all |values |in |a |data |set |are |listed |in |order |- |correct |answer |✔median
the |value |that |occurs |most |frequently |in |a |data |set |- |correct |answer |✔mode
if |two |values |occur |at |the |same |greatest |frequency |the |data |set |is |_____, |if |more |than |two |the |data |set |is |____ |- |correct |answer |✔bimodal, |multimodal
if |no |values |in |the |data |set |repeat |then |there |is |said |to |be |no |____ |- |correct |answer |✔mode
the |symbol |n |denotes |the |- |correct |answer |✔sample |size
what |is |the |round |off |rule? |- |correct |answer |✔carry |the |answer |to |one |more |decimal |place |than |is |present |in |the |original |set |of |values
a |mean |computed |with |different |values |assigned |different |weights |- |correct |answer |✔weighted |mean
what |is |the |best |measure |of |center? |- |correct |answer |✔there |is |no |one |best |measure
data |that |is |_____ |has |a |longer |left |tail |(hump |on |right) |- |correct |answer |✔skewed |to |the |left |(negatively |skewed)
data |that |is |____ |has |a |longer |tail |on |the |right |(hump |on |the |left) |- |correct
|answer |✔skewed |to |the |right |(positively |skewed
the |measure |of |center |that |may |not |exist |for |a |data |set |- |correct |answer |✔mode
the |measure |of |center |that |takes |into |account |every |value |of |the |data |set |- |correct |answer |✔mean
the |measures |of |center |that |are |affected |by |extreme |values |- |correct |answer |✔mean, |midrange
for |a |data |set |that |is |approximately |symmetric, |the |mean, |median, |mode, |and |midrange |are |- |correct |answer |✔roughly |the |same
for |a |data |collection |that |is |obviously |asymmetric, |it |would |be |good |to |report |both |the |- |correct |answer |✔mean |and |the |median
the |____ |of |a |set |of |data |is |the |difference |between |the |maximum |value |and |the |minimum |value |- |correct |answer |✔range
the |_____ |of |a |set |of |sample |values |is |a |measure |of |variation |of |values |about |the |mean. |- |correct |answer |✔standard |deviation
standard |deviation |is |a |measure |of |- |correct |answer |✔variance
the |variance |of |a |set |of |values |is |equal |to |- |correct |answer |✔the |square |of |the |standard |deviation
the |symbol |s |denotes |- |correct |answer |✔sample |SD
the |symbol |o |(lower |sigma) |- |correct |answer |✔population |SD
the |sample |variance |(s^2) |is |said |to |be |an |_______ |of |the |population |variance |(o^2) |- |correct |answer |✔unbiased |estimator
the |_____ |for |a |set |of |non-negative |sample |or |population |data, |expressed |as |a |percent, |describes |the |standard |deviation |relative |to |the |mean |- |correct |answer |✔coefficient |of |variation |(or |CV)
