Question
In exploratory data analysis (EDA), which of the
following is the primary goal?Solution
The main goal of Exploratory Data Analysis (EDA) is to visually and statistically summarize the data in order to understand its structure, patterns, and anomalies. By applying various visualization techniques (such as histograms, scatter plots, and box plots) and descriptive statistics (like mean, median, and standard deviation), EDA helps data analysts gain insights into the relationships and trends within the dataset before performing more formal statistical modeling or hypothesis testing. EDA is used to identify missing data, detect outliers, and explore the distribution of variables. It does not aim to test hypotheses or build models directly; instead, it prepares the data for such further analysis. Why Other Options Are Incorrect: • A: Testing the statistical significance of a dataset is typically done after performing EDA, especially in hypothesis testing or when applying inferential statistics. • C: Developing predictive models happens after understanding the data through EDA. Models are created based on insights gained from exploratory analysis. • D: Reporting findings is a task typically performed at the end of the data analysis process, not at the start during EDA. • E: Ensuring the data adheres to industry standards is more related to data quality and preparation than to the purpose of EDA, which is focused on exploration and analysis.
Statements:Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
Some roses are sunflowers.
Some sunflowers are lotus.
Conclusions:Â ...
Statements: Â Â Â Â Â Â Some wires are widths.
                            No width is a length.
Concl...
In the following question below are given some statements followed by some conclusions based on those statements. Taking the given statements to be tru...
Statements:
A few Red is Green.
60% Black is Green.
Only Green is Pink.
Conclusion:
I. No Pink is Black.
II. Some Black is Red.
Statements:Â
No watch is mobile
Some phones are shoes
All shoes are watch
Conclusion:
I. Some phones are not mob...
Statements:Some Pulsar are not bajaj.
All bajajs are Hero.
Conclusions:I. Some bajaj are not Pulsar.
II. Some Heros are not bajaj...
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at varian...
Statements:
Only a few Orange is Basket.
All Hampers are Baskets.
No Hamper is a Gift.
Conclusions:
I. Some Hampers c...
In the question below there are three statements followed by two conclusions I and II. You have to take the three given statements to be true even if t...
Statement:
All Pens are pencil.
Only Pencils are Laptop.
Only Pens are Mobile.
Only Pencils are Book.
Conclusion :...