2. What is Data?
• facts, numbers, names, figures
• Eg. 1). Facts - Narendra modi is prime minister of india
• 2) Name - Sachin , Parth , Aditya, Shubham .
• 3) Numbers - 1,2,3,4,5, or 1.23,3.25 or -2,-98, or 44/5
• 4) figures - 6 figure salary . 1,50,000/-
3. Classification of Data
• Qualitative: It describes the quality of something or
someone For example, the skin colour, eye colour, hair
texture, etc. gives us the qualitative information about a
person.
• Quantitative: It provides numerical information. Example,
the height and weight of a person.
4. Difference between Data and information.
Data Information
Data is collection of information
.
Processed Data is called
information
We do not get any meaning out of
data directly . It needs to be
processed into information .
Information is value piece of
knowledge .
Information is knowledge.
Eg. 33, -10, aditya , +91 9222806765, 95 ,
302018
Eg. Temperature – 33’C , Name – aditya, Mobile
- +91 9222806765, Percentage – 95% , Pincode
- 302018
5. Data is a collection of information gathered by
observations, measurements, research or analysis.
6. Work of Data Analyst
information
Report
take business decisions
7. Data Analyst Data Scientist
# Tools
# Historical data
# Stats
Programming
Predictive analysis
Maths
8.
9.
10.
11. Skills : -
1. Excel
2. SQL
3. Power BI
4. Tableau
5. Python
12. Types of data Analyst
• Finance Data analyst
• Quality data analyst
• Risk analyst
• Market Analyst
• Business Analyst
