Data Science

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