Data Set link : https://www.file.io/aPHR/download/GvGq9rtL8tIB

I want to investigate a COVID Data Set using R, including

1 - Data Preparation: Show the information of the dataset. E.g.# of observations, # of attributes, data types, missing values, etc

with explanation

2 - Data Exploration(EDA): Data Visualization, at least one histogram, one box plot, and one overlay histogram with your conclusion

with explanation

3 - Data Analysis

• Hypothesis Testing: Construct a hypothesis testing with null and alternative hypotheses. Use the appropriate test to get the conclusion.
• Build a linear regression model with subset selection. Please indicate all significant attributes, assess your model, and predict in a test dataset.

with explanation