DWDM 2021 BATCH

DWDM 2021 BATCH

Professional Development

20 Qs

quiz-placeholder

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DWDM 2021 BATCH

DWDM 2021 BATCH

Assessment

Quiz

Computers

Professional Development

Practice Problem

Hard

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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a data object?

A file containing data

A specific instance of data

A data structure

A data type

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a continuous attribute?

Age

Gender

Country

Hair color

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a nominal attribute?

An attribute that represents ordered categories

An attribute with no inherent order or ranking

An attribute with numerical values

An attribute that represents counts

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of attribute is represented by zip codes?

Nominal attribute

Ordinal attribute

Continuous attribute

Binary attribute

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a dataset, what does a binary attribute typically represent?

Colors

Yes or no, true or false, or on or off choices

Countries

Temperatures

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which measure of central tendency is affected by outliers?

Mean

Median

Mode

Range

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the standard deviation measure?

Central tendency

Variability or spread

Skewness

Mode

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