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WorksheetsData Analytics Basics
Total questions: 10
Worksheet time: 5mins
1. Point out the correct statement.
a) Raw data is original source of data
b) Preprocessed data is original source of data
c) Raw data is the data obtained after processing steps
d) None of the mentioned
2. Which of the following is the most important language for Data Science?
a) Java
b) Ruby
c) R
d) None of the mentioned
3. Which of the following approach should be used to ask Data Analysis question?
a) Find only one solution for particular problem
b) Find out the question which is to be answered
c) Find out answer from dataset without asking question
d) None of the mentioned
4. Which of the following is one of the key data science skills?
a) Statistics
b) Machine Learning
c) Data Visualization
d) All of the mentioned
5. Which of the following is characteristic of Processed Data?
a) Data is not ready for analysis
b) All steps should be noted
c) Hard to use for data analysis
d) None of the mentioned
6. Data Analysis is a process of?
A. inspecting data
B. cleaning data
C. transforming data
D. All of the above
7. Which of the following block information is odd man out?
a.Subsetting
b) Raw data
c) Ready for analysis
d) None of the mentioned
8. Data that summarize all observations in a category are called __________ data.
a) frequency
b) summarized
c) raw
d) none of the mentioned
9. Which of the following is another name for raw data?
a) destination data
b) eggy data
c) secondary
d) machine learning
10. What are the tools used in Data Analytics?
a .R programming
b .Python
c. Tableau Public
d. All the above
