Data Science

Types of Questions

Question 1
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 2
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 3
Marks : +2 | -2
Pass Ratio : 100%
Which of the following analysis is usually modeled by deterministic set of equations?
Predictive
Causal
Mechanistic
All of the mentioned
Explanation:
Equations are based on physical/engineering science.
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%
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 6
Marks : +2 | -2
Pass Ratio : 100%
Which of the following model is usually a gold standard for data analysis?
Inferential
Descriptive
Causal
All of the mentioned
Explanation:
A causal model is an abstract model that describes the causal mechanisms of a system.
Question 7
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 8
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 9
Marks : +2 | -2
Pass Ratio : 100%
Which of the following uses data on some object to predict values for other object?
Inferential
Exploratory
Predictive
None of the mentioned
Explanation:
A prediction is a forecast, but not only about the weather.
Question 10
Marks : +2 | -2
Pass Ratio : 100%
Which of the following principle characteristic is odd man out in the below figure?
Principle 1
Principle 2
Principle 3
Principle 4
Explanation:
Multivariate Data is the only characteristic related to Principle 3.