Which Excel feature enables users to combine data from multiple sources into a single data table?

A) Data Analysis

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B) Data Validation

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C) Data Consolidation

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D) Data Modeling

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2

The CRISP framework is used for:

A) Data visualization in Excel

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B) Conducting financial analysis

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C) Data mining and analytics

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D) Creating pivot tables

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3.

What is the first stage in the data lifecycle according to the CRISP framework?

A) Obtaining data

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B) Modeling data requirements

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C) Identifying data sources

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D) Using data for business decisions

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4

Which data cleaning tool is used for data integration and blending in data analytics?

A) Tableau

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B) Alteryx

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C) PowerBI

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D) Oracle

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5

What is the primary purpose of the “Data Management” stage in data analytics?

A) To query and retrieve data from databases

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B) To clean and prepare data for analysis

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C) To provide data storage and database administration

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D) To apply statistical algorithms to discover patterns in data

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6

What does the term “data visualization” mean in the context of data analytics?

A) The process of querying and retrieving data from databases

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B) The use of visual elements to represent data in a graphical format

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C) The analysis of historical data to identify trends and patterns

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D) The transformation of raw data into a usable format

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7

What is the role of skepticism in data analytics?

A) To trust all data sources without questioning their accuracy

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B) To verify and validate data to ensure its reliability

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D) To rely solely on automated data analytics tools

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C) To ignore any potential biases in data analysis

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8

Why are challenges encountered in data analytics processes?

A) Data analytics tools are outdated and ineffective

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B) Data analytics professionals lack technical skills

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C) Data analysis results are always accurate and reliable

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D) Data sources may be incomplete, inconsistent, or unstructured

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9

What are ethical issues related to data analytics?

select more than one option

A) Failing to protect data from security breaches

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B) Disclosing sensitive information without consent

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C) Being overly skeptical of data sources

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D) Using outdated analytics tools

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10

What is the primary goal of exploratory data analysis?

A) To make predictions about future outcomes

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B) To uncover patterns and relationships in data

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C) To encrypt data to ensure security

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D) To validate data sources

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11

. ___ is a category, also called supervised machine learning methods in which the data is split on two parts.

Classification

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Clustering

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Data mining

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None of the mentioned above

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12

Clustering belongs to ___ data analysis.

Supervised

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Unsupervised

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Both A and B

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None of the mentioned above

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13

Data Analysis is a process of ?

inspecting data

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cleaning data

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transforming data

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All of the above

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14

Which of the following is not a major data analysis approaches?

Data Mining

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Predictive Intelligence

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Business Intelligence

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Text Analytics

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15

___ are used when we want to visually examine the relationship between

two quantitative variables.

Bar graph

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Scatterplot

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Line graph

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Pie chart

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16

Choose the correct keyword for this definition: A graphical representation of a data set:

Data Set

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Visualization

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Data Plot

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Investigative Cycle

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17

Which of the following steps is performed by a data scientist after collecting the data?

Data integration

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Data manipulation

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Data replication

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Data cleansing

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18

One or more of the following activities is/are not from Phase 1 of Data Science Life Cycle.

Developing initial hypothesis

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Learning the target domain

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Visualize initial hypothesis

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All of the above

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19

A bank collected data on visitors’ viewing habits at the bank’s website. Which technique can be best used to identify pages commonly viewed during the same visit to the website?

Association rules

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Classification

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Clustering

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Panel analysis

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20

.“Alteryx” is an example of a__________.

Data analysis tool

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Data cleaning tool

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Data management tool

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Data visualisation tool

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21

Correlation analysis is an example of:

Descriptive analytics

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Prescriptive analytics

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Exploratory analytics

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Predictive analytics

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22

What Excel function is used to calculate the payment required to pay off a loan over a set period of time?

PV

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FV

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PMT

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RATE

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23

Which toolsin Excel are best for undertaking a sensitivity analysis?

Scenarios and Data tables

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Scenarios and Solver

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Data tables and Goal seek

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Data tables and Scenarios

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24

When dealing with models containing multiple rows of data, users can use the___________________________ function
in Excel to create expandable/contractable sections in the worksheet for easy auditing.

Text to Columns

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Tables

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Group

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Filter

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25

Which of the following is not a type of data analysis in business?

Explanatory analytics

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Descriptive analytics

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Prescriptive analytics

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Predictive analytics

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