Data Science

Types of Questions

Question 1
Marks : +2 | -2
Pass Ratio : 100%
Which of the following allows you to find the relationship you didn’t about?
Inferential
Exploratory
Causal
None of the mentioned
Explanation:
In statistics, exploratory data analysis is an approach to analyzing data sets to summarize their main characteristics, often with visual methods.
Question 2
Marks : +2 | -2
Pass Ratio : 100%
Which of the following analysis are incredibly hard to infer?
Inferential
Exploratory
Causal
Mechanistic
Explanation:
Mechanistic analysis are hard to infer except for simple simulations.
Question 3
Marks : +2 | -2
Pass Ratio : 100%
Causal analysis is commonly applied to census data.
True
False
Explanation:
Descriptive analysis is commonly applied to census data.
Question 4
Marks : +2 | -2
Pass Ratio : 100%
Point out the correct statement.
Exploratory analyses are not usually the final way
Inferential models are useful for discovering new connection
Inference involves estimating uncertainty
All of the mentioned
Explanation:
Statistical inference is the process of deducing properties of an underlying distribution by analysis of data.
Question 5
Marks : +2 | -2
Pass Ratio : 100%
Which of the following is more applicable to the below figure?
Descriptive
Causal
Predictive
None of the mentioned
Explanation:
Google trends helps to describe the set of data.
Question 6
Marks : +2 | -2
Pass Ratio : 100%
Which of the following uses relatively small amount of data to estimate about bigger population?
Inferential
Exploratory
Causal
None of the mentioned
Explanation:
Inferential statistics is concerned with making predictions or inferences about a population from observations and analyses of a sample.
Question 7
Marks : +2 | -2
Pass Ratio : 100%
Accurate prediction depends heavily on measuring the right variables.
True
False
Explanation:
Prediction is very hard, especially for future references.
Question 8
Marks : +2 | -2
Pass Ratio : 100%
Point out the correct statement.
Descriptive analysis can be more useful for defining future studies
Correlation does imply causation
Inference is commonly the goal of statistical model
None of the mentioned
Explanation:
Inference depends heavily on the sampling scheme.
Question 9
Marks : +2 | -2
Pass Ratio : 100%
Which of the following command help us to give message description?
git command -m
git command -d
git command -message
none of the mentioned
Explanation:
This only updates your local repository.
Question 10
Marks : +2 | -2
Pass Ratio : 100%
Point out the correct statement.
Descriptive analysis is first kind of data analysis performed
Descriptions can be generalized without statistical modelling
Description and Interpretation are same in descriptive analysis
None of the mentioned
Explanation:
Descriptive analysis describe a set of data.