Which word or phrase completes the statement? Business Intelligence is to monitoring trends as Data Science is to _____ trends.
Predicting
1 of 9
You have been assigned to perform a study of the daily revenue effect of a pricing model of online transactions. When is the analytics lifecycle considered completed?
When written documentation has been produced and the code has been handed off to the DBA/operations.
2 of 9
Which word or phrase completes the statement: "A data scientist would consider a RDBMS is to a table as R is to a ___"?
Data frame
3 of 9
What is a core deliverable at the end of the analytic project?
A presentation for project sponsors
4 of 9
If your intention is to show trends over time, which chart type is the most appropriate way to depict the data?
Line chart
5 of 9
Your colleague, who is new to Hadoop, approaches you with a question. They want to know how best to access their data. This colleague has previously worked extensively with SQL and databases. Which query interface would you recommend?
Hive
6 of 9
You have been assigned to do a study of the daily revenue effect of a pricing model of online transactions. You have tested all the theoretical models in the previous model planning stage, and all tests have yielded statistically insignificant result
Report that the results are insignificant, and re-evaluate the original business question.
7 of 9
What is required in a presentation for business analysts?
Operational process changes
8 of 9
When would you use a Wilcoxson Rank Sum test?
When you cannot make an assumption about the distribution of the populations
9 of 9
Other cards in this set
Card 2
Front
You have been assigned to perform a study of the daily revenue effect of a pricing model of online transactions. When is the analytics lifecycle considered completed?
Back
When written documentation has been produced and the code has been handed off to the DBA/operations.
Card 3
Front
Which word or phrase completes the statement: "A data scientist would consider a RDBMS is to a table as R is to a ___"?
Back
Card 4
Front
What is a core deliverable at the end of the analytic project?
Back
Card 5
Front
If your intention is to show trends over time, which chart type is the most appropriate way to depict the data?
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