Which of the following is one of the key data science skills?

Question

a) Statistics
b) Machine Learning
c) Data Visualization
d) All of the mentioned

Answer 1

Yes, Option D (All of the mentioned) is correct answer. The following are the skills required to become a Data Scientist:

• Good knowledge of statistical programming languages like R, and Python
• Basic knowledge of a database query language such as SQL
• Good mathematical and statistical skills
• In-depth knowledge about Machine Learning concepts
• Experience in data visualization tools
• Ability to handle complex data using Hadoop

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Answer 2

Thus, the correct answer is Option D: All of the mentioned.

This includes the following skills in a Data Scientist:

Statistics is a highly important component of data science because it aids in ascertaining the patterns and making decisions based on the trend of data. Machine learning is basically the development of algorithms for making accurate predictions or decisions that are learnt directly from data, without the necessity of explicit programming to be performed for every individual task. Data visualization is the graphical representation of graphs and charts that enable the dissemination of clearly represented data. All these skills need to be acquired by a data scientist as they go about their work and provide insightful information from the data.