data science interview preparation

120 Data Science Interview Questions Pdf – 2019 latest Updated

1. What is meant by selection bias? Answer: Selection bias is a type of error that arises when the researcher decides on whom he is going to conduct the study. It happens when the selection of participants takes place not randomly. Selection bias is also sometimes referred to as a selection effect. It works more …

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Data Science Interview Questions Pdf – 2019 Updated for Beginners

1. What is selection bias and why does it matter?Answer: Selection bias is a product of inadequately or improperly randomized data leading to data sets that are not representative of the whole. In an interview, you should express the importance of this in terms of its effect on your solution. If your data is not …

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Python Data Science Interview Questions – 2019 Latest Updated

1. What tools or devices help you succeed in your role as a data scientist? Answer: This question’s purpose is to learn the programming languages and applications the candidate knows and has experience using. The answer will show the candidate’s need for additional training of basic programming languages and platforms or any transferable skills. This …

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Data Science Interview Questions And Answers – Top 50

1. What is Data Science? Answer: Data science is defined as a multidisciplinary subject used to extract meaningful insights out of different types of data by employing various scientific methods such as scientific processes and algorithms. Data science helps in solving analytically complex problems in a  simplified way. It acts as a stream where you …

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