Which data asset is an example of semi-structured data?

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?

In linear regression, what indicates that an estimated coefficient is significantly different than zero?

Which graphical representation shows the distribution and multiple summary statistics of a
continuous variable for each value of a corresponding discrete variable?

Assume that you have a data frame in R. Which function would you use to display descriptive
statistics about this variable?

What is the mandatory Clause that must be included when using Window functions?

What is the purpose of the process step “parsing” in text analysis?

Which word or phrase completes the statement? A data warehouse is to a centralized database
for reporting as an analytic sandbox is to a _______?

You do a Student’s t-test to compare the average test scores of sample groups from populations A
and B. Group A averaged 10 points higher than group B. You find that this difference is significant,
with a p-value of 0.03. What does that mean?

Which word or phrase completes the statement?
Business Intelligence is to ad-hoc reporting and dashboards as Data Science is to
______________ .