Interview question for the post of Data Analyst at TCS IQ

         Company Name : Tata IQ
         Role: Data Analyst

• Why data science as a career?

         Stats:

• What is p value?
• What is histograms?
• What is confidence interval?
• You are a Sr data analyst at a new Online Cab booking Startups
• How you will do data collection and how you will leverage the data to give useful insights to the Company?

         Guestimate:

• No Of cabs booking per day in Ranchi
• You are product head manager(not remember exactly) at a NBFC which gives a Secured loans what factors will you consider giving loan to ?
• Inventory Database based on that have to do basic pandas/sql query? Joins / merge to get avg sales, its chart?
• You have a list of 3 numbers return the min diff. Can use any python/sql
• What is Big Data?