The Analytical Process
The first step in the analytical process.
What is "Plan"?
A visualization for displaying a frequency count.
What is a bar chart?
= Max - Min
What is the formula for calculating range?
Contingency Table
What is a count of data displayed across two variables in a table format?
Probability
What is the long-run relative frequency of independent random events?
The second step in the analytical process.
What is "Do"?
A visualization for displaying data from a contingency table.
What is a segmented bar chart?
= CORREL
What is the formula for calculating the Correlation Coefficient (R) of a dataset?
Time Series
What is a set of data distributed over regular intervals of time?
R Square (R2)
What is the term used to describe the percentage of data explained by a relationship in a regression analysis?
Combining data in new ways.
How do you find unique insight?
A visualization for displaying a time series.
What is a line chart?
= (value – mean) / STDEV
What is the formula for calculating z-scores?
Visualization
What is a way of displaying the results of statistical analysis to communicate the story revealed by the data?
Error or Insight
What is the significance of an outlier in a dataset?
The third step in the analytical process.
What is "Report"?
A visualization for comparing multiple data sets.
What is a boxplot?
P(A and B) = P(A)*P(B)
What is the multiplication rule?
Multimodal
What is a histogram with multiple "humps" or peaks?
Residuals
What is the term for the variance from the expected values for variables in a regression analysis?
Categorical and Analytical
What are the two types of data?
A visualization for describing a single data set.
What is a histogram?
=LOG10(y)
What is a formula for re-expressing data?
Normal Distribution
What is the term for describing a unimodal and symmetrical distribution curve?
99.7%
What is the percentage of values that fall within 3 standard deviations of the mean in a normal distribution?