Data Science

Types of Questions

Question 1
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 2
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 3
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 4
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 5
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.
Question 6
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.
Question 7
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 8
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 9
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 10
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.