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A data analyst works at an e-commerce company that
wants to understand its customer churn rate. Their
manager has tasked them with conducting a data analytics
project to identify customers at risk of churn and offer
these customers targeted promotions to retain their
business.What is the primary purpose of the data analytics
project's results in this scenario?
a. To optimize inventory management
b. To identify customer preferences
,c. To compare the company's churn rate to industry
benchmarks
d - ANSWER-d. To predict customer churn risk
How is data science different from data analytics?
a. Data science focuses on developing new algorithms
and models, while data analytics focuses on using existing
models to analyze data.
b. Data science focuses more on data visualization, while
data analytics focuses on data cleaning and
preprocessing.
c. Data science focuses more on tracking experimental
data, and data analytics is based on statistical methods
and hypotheses.
, d. Data science involves creating new algorithms, w -
ANSWER-a. Data science focuses on developing new
algorithms and models, while data analytics focuses on
using existing models to analyze data.
Which tool is commonly used for data preparation? -
ANSWER-OpenRefine
A popular travel booking platform receives a large volume
of web traffic, GPS location data, and user-generated
content from various sources. The data analytics team is
preparing this data for analysis to better understand
customer behavior and preferences.
Which tool would be most suitable for preparing this data?
- ANSWER-Hadoop is an open-source framework
designed for the distributed processing of large datasets