PayPal Interview Experience for Data Analyst Summer Intern 2023

Today, I took the PayPal summer intern test which consisted of 11 questions. 

One of the questions was a coding question that required me to calculate the Body Mass Index (BMI) of an individual. I found the coding question to be relatively easy and was able to implement the necessary logic and formulas correctly. The remaining 10 questions were based on statistics, SQL, and ML.

• Starting with a question on calculating the sample mean, standard deviation, and median.
• The second question was about finding the intercept in a regression line
• The third question was on normal distribution, 
• The fourth question was on correlation and covariance
• The fifth question was on kurtosis where they asked about the order of kurtosis of different distributions. 
• The sixth question was a simple SQL query
• The seventh question was about errors
• The eighth question was on regularization 
• The ninth question was on hypothesis testing 
• The tenth question was on machine learning cross-validation.

It’s helpful to have a clear understanding of the format and structure of the test beforehand so that you can prepare accordingly. I hope I was able to demonstrate what was asked. 

Statistics is an important field in data analysis and many companies like PayPal heavily rely on data to make decisions. The test was a good balance of different types of questions.

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