State Farm Insurance Data Scientist Interview Questions and Answers

Q1. About your project
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Q2. Basic of machine learning
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Q3. Basics of python
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Q4. Sql joins and write a query.
Ans. 
SQL joins are used to combine rows from two or more tables based on a related column between them.
• Use INNER JOIN to return rows when there is at least one match in both tables.

• Use LEFT JOIN to return all rows from the left table, and the matched rows from the right table.

• Use RIGHT JOIN to return all rows from the right table, and the matched rows from the left table.

• Use FULL JOIN to return rows when there is a match in...read more
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Simple Data Science Case Study

Q1. Python knowledge related questions
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Data Science Case Study

Python coding 45 mins

Q1. Fraud data balancing
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Q2. Recommendation metrics
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Q1. Why join Turing?
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Q2. Ability to learn new skills
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Assignment containing the python coding and the pandas data analysis and statistics questions

Q1. Given the tabular data and asked to find the issues in the data and how to solve them.
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Q2. Check if the sentence is palindrome or not.
Ans. 
Check if a sentence is a palindrome or not.
• Remove all non-alphanumeric characters and convert to lowercase.

• Compare the original sentence with its reverse to check for palindrome.

• Example: 'A man, a plan, a canal, Panama' is a palindrome sentence.
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Q1. Classical data science questions
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Q2. Given the large dataset and asked to find the answers using pandas
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A simple Python coding assesment - had fibonacci series and just general python questions

Q1. Probablity Question - Coin toss one
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Q2. Statistical Significance - what it is? and how to use hypothesis testing
Ans. 
Statistical significance refers to the likelihood that a result or relationship is not due to chance.
• Statistical significance is a measure of the probability that a relationship between variables is not due to random chance.

• Hypothesis testing is a common method to determine statistical significance by comparing observed data to what would be expected by chance.

• A p-value is used to determine statistical significance, wi...read more
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Python coding round. The question will be regarding list, class and objects

Q1. Why do you want to join our company?
Ans. 
I am impressed by your company's innovative projects and collaborative work culture.
• I admire the cutting-edge technologies and projects your company is involved in.

• I value the collaborative work culture and team spirit that your company promotes.

• I believe my skills and expertise align well with the goals and values of your company.
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Q2. What is your strength?
Ans. 
My strength lies in my ability to analyze complex data sets and derive actionable insights.
• Strong analytical skills

• Ability to work with large data sets

• Experience with data visualization tools like Tableau

• Strong problem-solving skills

• Effective communication of findings to non-technical stakeholders
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MCQ based Python test, SQL, Data Analysis, Machine learning test. Each test should be cleared for further round

Client will give you Assignment question Sample and answer. Similarly you have to give answer. For me Python code , in which my role is to give machine solution with different algorithm approach and test cases with that. It is kind of prompt engineer which will trained the machine for coding

Python and SQL coding assessment with 2 python question

Q1. Given a string s and integer k , return the maximum number of vowel letters in any substring of s with length k. vowel letters in English are 'a','e','i','o','u' .
Ans. 
Find the maximum number of vowels in any substring of length k in a given string.
• Iterate through the string with a sliding window of size k, counting vowels in each substring.

• Keep track of the maximum vowel count encountered.

• Return the maximum vowel count found.
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Q2. Find all the numbers that appear at least three times consecutively return the result table in any order
Ans. 
Find numbers that appear at least three times consecutively in any order.
• Use a window function to track consecutive numbers

• Filter the result to only include numbers that appear at least three times consecutively

• Return the result table in any order
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Q3. What is the neihbourhood in which superhosts have the biggest median pries difference with respect to non superhosts ?
Ans. 
The neighbourhood with the biggest median price difference between superhosts and non superhosts is X.
• Calculate the median price for superhosts and non superhosts in each neighbourhood

• Find the neighbourhood with the largest difference in median prices between superhosts and non superhosts

• Example: Neighbourhood X has a median price of $200 for superhosts and $150 for non superhosts, resulting in a $50 difference
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