STT 231 Exam 1 Prep|| 100% Verified
Nominal - ANSWER-Categorical value that cannot be organized
Ordinal - ANSWER-Categorical value that can be organized
Discrete - ANSWER-Numerical value with limited domain
Continuous - ANSWER-Numerical value with unlimited value
x̄ - ANSWER-Sample Mean
~
x - ANSWER-Sample Median
What attributes describe a distribution - ANSWER-Slope, central tendency, variability
Modality - ANSWER-Describes number of clustering points
Left Skew - ANSWER-Median>Mean
Right Skew - ANSWER-Meean>Median
Symmetrical - ANSWER-Mean=Median
Central Tendency - ANSWER-Where is the 'balancing point'
Variability - ANSWER-Describes how data is spread from the center
Shape - ANSWER-Skewness or Symmetry of data
Granularity - ANSWER-The precision that data is recorded with, how precise is their
data.
μ - ANSWER-population mean
Resistant Value - ANSWER-Value that is resistant to extreme values (median)
Sensitive Value - ANSWER-Value that is sensitive to extreme values (mean)
π - ANSWER-Population Proportion
π̂ - ANSWER-Sample proportion
Nominal - ANSWER-Categorical value that cannot be organized
Ordinal - ANSWER-Categorical value that can be organized
Discrete - ANSWER-Numerical value with limited domain
Continuous - ANSWER-Numerical value with unlimited value
x̄ - ANSWER-Sample Mean
~
x - ANSWER-Sample Median
What attributes describe a distribution - ANSWER-Slope, central tendency, variability
Modality - ANSWER-Describes number of clustering points
Left Skew - ANSWER-Median>Mean
Right Skew - ANSWER-Meean>Median
Symmetrical - ANSWER-Mean=Median
Central Tendency - ANSWER-Where is the 'balancing point'
Variability - ANSWER-Describes how data is spread from the center
Shape - ANSWER-Skewness or Symmetry of data
Granularity - ANSWER-The precision that data is recorded with, how precise is their
data.
μ - ANSWER-population mean
Resistant Value - ANSWER-Value that is resistant to extreme values (median)
Sensitive Value - ANSWER-Value that is sensitive to extreme values (mean)
π - ANSWER-Population Proportion
π̂ - ANSWER-Sample proportion