Data Analysis Flashcard

Front

What is Data Analysis?

Back

The process of inspecting, cleaning, transforming, and modeling data

Front

What is the purpose of Data Cleaning?

Back

To remove inaccuracies and inconsistencies from the data

Front

Which of the following is a measure of central tendency? Mean, Range, Variance, Standard deviation

Back

Mean

Front

In which type of analysis is correlation used?

Back

To find the relationship between two variables

Front

What is the purpose of Exploratory Data Analysis (EDA)?

Back

To explore and summarize the main characteristics of the data

Front

Which of the following is NOT a type of data visualization? Bar chart, Pie chart, Histogram, Sorting data

Back

Sorting data

Front

What is a key benefit of using a box plot in data analysis?

Back

It visualizes the spread and skewness of the data, along with outliers

Front

What is the purpose of a regression analysis?

Back

To predict the value of a dependent variable based on an independent variable

Front

Outlier

Back

A data point that significantly differs from other observations

Front

Which type of graph is most suitable for showing the distribution of a dataset?

Back

Histogram