AN 300 EXAM 2 WITH A GUARANTEED PASS!!
Which of the following is true about cluster analysis? Check all that apply.
-It is a descriptive analytics technique
-It is to discover associations between objects.
-It is used to discover natural groupings of objects.
-It is to answer what has happened questions.
-It is a descriptive analytics method.
-It is to answer what could happen questions. - (answer)-It is a descriptive analytics
technique.
-It is used to discover natural groupings of objects.
-It is to answer what has happened questions.
Which of the following is a characteristic of a cluster analysis problem? (Check all that
apply):
-The data that describes the object must be given.
-Its objective is to maximize similarities of objects between groups.
-The data on group memberships must be given.
-It is about how to discover
-It is about how to organize objects into groups.
-Its objective is to maximize similarities of objects within groups. - (answer)-The data that
describes the object must be given.
-It is about how to organize objects into groups.
-Its objective is to maximize similarities of objects within groups.
You have data on the weight and height of patients. Which similarity measure should be
used to calculate how similar a group of patients is to one another?
-Manhattan coefficient
-Correlation coefficient
, AN 300 EXAM 2 WITH A GUARANTEED PASS!!
-Euclidean distance
-Matching coefficient
-Straight line distance - (answer)-Euclidean distance
You have data on the gender and income levels of customers. Which similarity measure
should be used to calculate how similar a group of customers is to one another?
-Correlation coefficient
-Matching coefficient
-Straight line distance
-Manhattan coefficient
-Euclidean distance - (answer)-Matching coefficient
Match the description on the left with the measure to use on the right.
-It is the length of a straight line between two objects. - (answer)Euclidian Distance
It requires replacing the raw value of data with its z-score. - (answer)Euclidian Distance
The lower the measure the better - (answer)Euclidian Distance
It is for categorical Data - (answer)Matching Coefficient
It is a ratio of number of columns with matching categorical values to the total number of
categorical columns. - (answer)Matching Coefficient
Which of the following is a business application of cluster analysis?
-Affinity analysis
Which of the following is true about cluster analysis? Check all that apply.
-It is a descriptive analytics technique
-It is to discover associations between objects.
-It is used to discover natural groupings of objects.
-It is to answer what has happened questions.
-It is a descriptive analytics method.
-It is to answer what could happen questions. - (answer)-It is a descriptive analytics
technique.
-It is used to discover natural groupings of objects.
-It is to answer what has happened questions.
Which of the following is a characteristic of a cluster analysis problem? (Check all that
apply):
-The data that describes the object must be given.
-Its objective is to maximize similarities of objects between groups.
-The data on group memberships must be given.
-It is about how to discover
-It is about how to organize objects into groups.
-Its objective is to maximize similarities of objects within groups. - (answer)-The data that
describes the object must be given.
-It is about how to organize objects into groups.
-Its objective is to maximize similarities of objects within groups.
You have data on the weight and height of patients. Which similarity measure should be
used to calculate how similar a group of patients is to one another?
-Manhattan coefficient
-Correlation coefficient
, AN 300 EXAM 2 WITH A GUARANTEED PASS!!
-Euclidean distance
-Matching coefficient
-Straight line distance - (answer)-Euclidean distance
You have data on the gender and income levels of customers. Which similarity measure
should be used to calculate how similar a group of customers is to one another?
-Correlation coefficient
-Matching coefficient
-Straight line distance
-Manhattan coefficient
-Euclidean distance - (answer)-Matching coefficient
Match the description on the left with the measure to use on the right.
-It is the length of a straight line between two objects. - (answer)Euclidian Distance
It requires replacing the raw value of data with its z-score. - (answer)Euclidian Distance
The lower the measure the better - (answer)Euclidian Distance
It is for categorical Data - (answer)Matching Coefficient
It is a ratio of number of columns with matching categorical values to the total number of
categorical columns. - (answer)Matching Coefficient
Which of the following is a business application of cluster analysis?
-Affinity analysis
