Data Science

Types of Questions

Question 1
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 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%
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 4
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 5
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 6
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 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 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%
Accurate prediction depends heavily on measuring the right variables.
True
False
Explanation:
Prediction is very hard, especially for future references.