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E20-007 Study Material | The web analytics team uses…

Questions: 11

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?

A. Sqoop
B. Pig
C. Chukwa
D. Scribe

Answer: A

E20-007 | You are attempting to find…

Questions : 10

You are attempting to find the Euclidean distance between two centroids:

Centroid A’s coordinates: (X = 2, Y = 4)

Centroid B’s coordinates (X = 8, Y = 10)

Which formula finds the correct Euclidean distance?

A. SQRT((2-8)2+(4-10)2) or 8.49
B. SQRT(((2-8) x 2) + ((4-10) x 2)) or 12.17
C. ((2-8)2+(4-10)2) or 72
D. ((2-8) x 2 + (4-10) x 2) or 148

Answer: A

E20-007 Dumps | What describes a true…

Question : 9

What describes a true limitation of Logistic Regression method?

A. It does not handle missing values well.
B. It does not handle redundant variables well.
C. It does not handle correlated variables well.
D. It does not have explanatory values.

Answer: A

E20-007 | You are testing two new weight-gain formulas…

Question: 6

You are testing two new weight-gain formulas for puppies. The test gives the results:
Control group: 1% weight gain
Formula A. 3% weight gain
Formula B. 4% weight gain
A one-way ANOVA returns a p-value = 0.027
What can you conclude?

A. Either Formula A or Formula B is effective at promoting weight gain.
B. Formula B is more effective at promoting weight gain than Formula A.
C. Formula A and Formula B are both effective at promoting weight gain.
D. Formula A and Formula B are about equally effective at promoting weight gain.

Answer: A

E20-007 | Which word or phrase completes the statement…

Question: 3

Which word or phrase completes the statement? A spreadsheet is to a data island as a centralized database for reporting is to a ________?

A. Data Warehouse
B. Data Repository
C. Analytic Sandbox
D. Data Mart

Answer: A

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