WorksheetsData Science
Total questions: 17
Worksheet time: 9mins
Which of the following approach should be used to ask Data Analysis question ?
Find only one solution for particular problem
Find out the question which is to be answered
Find out answer from dataset without asking question
None of the mentioned
Which of the following is the top most important thing in data science ?
answer
statistical question
data
none of the Mentioned
Q1. Which of the following is the most accurate definition of data science?
a) Data science is extracting meaning from large data sets in order to provide insights to support decision-making
b) Data science is using computers to analyse data and to perform calculations on the data to produce information
c) Data science is performing experiments and recording the data produced by those experiments
d) Data science is writing code to make sure that any inaccuracies in data sets are spotted and removed (cleaned)
A question that could have a variety of different answers.
Statistical Question
Mathematical
Question
Graphical Question
Actual Question
Data science is the process of learning about the world using data and computation.
Exploring data sets
Using statistics
Creating data visualizations
Identifying patterns in data
Making predictions
True
False
____can be answered simply by looking up a single value in a dataset. These do not qualify as statistical questions.
Relate Question .
Compute questions:
Lookup questions
____Can be answered by computing an answer using more than one value found in the dataset
Relate Question
Compute questions:
Lookup questions
____Require finding a possible relationship between more than one value.
Relate Question
Compute questions:
Lookup questions
What are observations that are measured or counted called?
qualitative data
quantitative data
What are observations made using our five senses called?
qualitative data
quantitative data
The flower is 8 cm tall.
qualitative data
quantitative data
The center of the flower is yellow and fuzzy.
qualitative data
quantitative data
The data science life cycle is a sequence of steps for processing and using data.
True
False
Justin is formulating some statistical questions that can be answered with data. Which stage of data cycle is he going through?
Ask Question
Consider Data
Analyze Data
Interpret Data
Adil is collecting data records, or finding an existing dataset. Which stage of data cycle is he going through?
Ask Question
Consider Data
Analyze Data
Interpret Data
Ahmad is performing statistical analysis, running calculations and/or create data displays to identify patterns and relationships? What is this stage of data cycle?
Ask Question
Consider Data
Analyze Data
Interpret Data
A teacher, after looking at test results, decided to reteach the topic and allow the students retake the test so majority would pass. What stage of data cycle made her make this decision
Interpret Data
Ask Questions
Consider Data
Analyze Data
