Exam 17: Data Mining

If the estimate on the female variable is positive,what does this indicate about credit card usage?

Create a pivot table that illustrates something meaningful about the variables in the accompanying table.

Which methodology is used to group products that customers purchase together?

If the regression coefficient estimate from a logistic regression is positive,the probability of the dependent variable taking on a value of 1:

A facts table has:

Data mining is used to examine known,expected patterns and relationships among variables.

The higher the "score" for a particular member in logistic regression,the:

The testing set in data partitioning is:

What does the pivot table indicate about spending habits?

Segmentation is also known as clustering,and involves trying to group entities into similar clusters.

Megan is examining the likelihood of people riding the subway.The dependent variable takes on the value of 1 if the individual rides the subway and 0 otherwise.Therefore,she could use logistic regression to examine this question.

Mya is investigating the factors that impact soda consumption.She examines a host of variables that help explain the amount consumed.Which type of data mining methodology is she most likely to use?

The predicted value from a logistic regression will be:

Suppose the odds of Team A winning are 5 to 1.Then,the odds ratio is:

Bridget has partitioned data into two subsets.The original file contains 300,000 observations.The subset she is currently working with has 60,000 observations.Which subset is she most likely to be using?

Clustering is considered a supervised data mining technique.

In a facts table,a supermarket database is likely to have which item listed in rows?

A data mart is typically smaller than a data warehouse.