Data Science

Types of Questions

Question 1
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 2
Marks : +2 | -2
Pass Ratio : 100%
Which of the following analysis helps out to find the effect of variable change?
Inferential
Exploratory
Causal
None of the mentioned
Explanation:
Causal Analysis provides the real reason why things happen and hence allows focused change activity.
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%
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 5
Marks : +2 | -2
Pass Ratio : 100%
Point out the wrong statement.
Exploratory analyses are usually the final way
Exploratory models are useful for discovering new connection
Exploratory analysis alone should not be used for predicting
All of the mentioned
Explanation:
Exploratory analyses are usually not the final way.
Question 6
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 7
Marks : +2 | -2
Pass Ratio : 100%
Which of the following analysis should come in place of question mark in the below figure?
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 8
Marks : +2 | -2
Pass Ratio : 100%
Which of the following is the common goal of statistical modelling?
Inference
Summarizing
Subsetting
None of the mentioned
Explanation:
Inference is the act or process of deriving logical conclusions from premises known or assumed to be true.
Question 9
Marks : +2 | -2
Pass Ratio : 100%
Which of the following relationship are usually identified as average effects?
Descriptive
Causal
Predictive
None of the mentioned
Explanation:
A correlation is a measure or degree of relationship between two variables.
Question 10
Marks : +2 | -2
Pass Ratio : 100%
Which of the following type of data science question is missing in the figure?
Correlative
Exploratory
Relative
None of the mentioned
Explanation:
Exploratory analysis is used to find relationships about you didn’t know about.