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Day 1 – What is Data Science Quiz

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Question 1 of 4

 

1. Which of the following best describes the 'bronze layer' in the Data Science Lifecycle?

A

The layer where machine learning algorithms are applied

B

The initial storage of raw data from various sources in cloud-based systems

C

The layer where data is cleaned and transformed

D

The final stage where data is visualized for business users

Question 2 of 4

 

2. What is the primary difference between a Data Analyst and a Data Scientist in the project lifecycle?

A

Data Analysts work only with structured data, while Data Scientists work with unstructured data

B

Data Analysts focus on descriptive analytics, while Data Scientists focus on predictive and prescriptive analytics

C

Data Analysts work in the early stages (bronze and silver layers), while Data Scientists focus on later stages (gold layer onwards)

D

Data Analysts use SQL, while Data Scientists use Python

Question 3 of 4

 

3. Which of the following is NOT a key responsibility of a Data Engineer in the Data Science Lifecycle?

A

Creating and maintaining data pipelines

B

Performing Extract, Transform, Load (ETL) processes

C

Developing machine learning models

D

Transitioning data from traditional databases to cloud-based storage

Question 4 of 4

4. Why is Data Science considered important for businesses?

A

It allows companies to rely solely on intuition for decision-making

B

It helps companies avoid collecting and storing data

C

It enables businesses to make data-driven decisions and predict future trends

D

It replaces the need for human analysts in an organization

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