Refer to the graphic.

How would you run the MADlib kmeans function?

A time series of monthly sales indicates a periodic pattern, and the value reaches the peak every December.
Which statistic needs to be subtracted from the actual value to adjust for this seasonal effect?

An analyst is searching a corpus of documents for the topic "solid state disk". As shown in the graphic, Table A provides the inverse document frequency for each term across the corpus.
Table B provides each term's frequency in four documents selected from the corpus.

Based on the four documents, which document is most relevant to the analyst's search?

You need to run a hypothesis test across three normally distributed populations.
Which technique should you use?

The web analytics team uses Hadoop to process access logs. They now want to correlate this data with structured user data residing in their massively parallel database.
Which tool should they use to export the structured data from Hadoop?