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Introduction to Getting Most Out of Your BIG Data MCQ

In which table that allows the user to easily manipulate the rows, columns, and frequencies included in cross-tabulation tables is.?

Periodic table

Pivot table

Cross tabulation table

All of these

Answer

Correct Answer: Pivot table

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A table that shows frequencies by two or more variables. The levels of one variable become column labels, and the levels of the other variable become row labels is called

Periodic table

Pivot table

Cross tabulation table

All of these

Answer

Correct Answer: Cross tabulation table

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Examining large data sets for patterns is _____mining

Table

Data

Observe

None of these

Answer

Correct Answer: Data

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1,152,921,504,606,846,976 bytes of data—lots and lots of data, and the amount of data in the world grew just as you read this is exabytes.

True

False

Answer

Correct Answer: True

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When a data set is very big, it doesn’t matter how “good” the data is, because there is so much.

True

False

Answer

Correct Answer: False

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Large data sets found online may be updated periodically.

True

False

Answer

Correct Answer: True

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There is an entire industry devoted to data mining.

True

False

Answer

Correct Answer: True

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An SPSS function that could be used for determining the number of occurrences of something in a year is called ______.

Aggregation

Frequencies

DAVERAGE

A crosstab table

Answer

Correct Answer: Frequencies

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The example in this chapter focused on trends in ______.

Baby names

Online grocery purchases

Music streaming

School attendance

Answer

Correct Answer: Baby names

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A table that allows you to easily visualize and manipulate rows and columns as well as the contents of cells is called a ______.

Pivot table

Cross-tabulation

Data modeler

Database

Answer

Correct Answer: Pivot table

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Big data analysis skills are highly coveted by employers because they help companies influence consumer buying habits.

True

False

Answer

Correct Answer: True

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“Big data” includes information from ______.

Social media interactions

Traffic patterns

Weather data

All of these

Answer

Correct Answer: All of these

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The practice of looking for patterns in large data sets is called ______.

Data spinning

Data tracking

Data mining

Data development

Answer

Correct Answer: Data mining

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An exabyte is about ______.

One trillion bytes

One quintillion bytes

One billion bytes

One million bytes

Answer

Correct Answer: One quintillion bytes

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