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An introduction to data science, including its definition, steps involved in the process, methods used to address business problems, and the difference between descriptive and predictive analytics. It also explains how data scientists can help businesses achieve their goals. in a question and answer format, with each question followed by its answer.
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The practice of collecting data and finding insights from data is called ________________. ✔data science Data science refers to _______________. ✔the practice of collecting data and finding insights from data What is data science? ✔A term referring to the practice of collecting and finding insights from data Data collection, database management, and data visualization are the _______________. ✔steps a data scientist takes before determining usable results Which of the following steps does a data scientist take before determining usable results? ✔all of the above A data scientist takes the following steps before determining usable results: ✔data collection, database management, and data visualization Data science is a growing career field because __________________. ✔all of the above Why is data science a growing career field? ✔Both A and B Which of the following statements explains why data science is a growing career field? ✔Salaries for data science jobs are high and increase rapidly over time Which of the following steps does a data scientist take first before they can provide data that's useful for decision-making purposes? ✔Collect data
In order for a data scientist to make recommendations, their data must be _____________________. ✔clean, accurate, and representative A data scientist takes the following chronological steps before they can provide data that's useful for decision-making purposes: ✔collect data, clean data, analyze data, visualize data, then make recommendations Data scientists identify ____________ and _______________in data to address business problems. ✔trends; patterns Which of the following methods are used by data scientists to address business problems? ✔Both A and B Which of the following methods is a data scientist least likely to use to address business problems? ✔Analyzing feedback from 50 out of 50,000 customers ____________ analytics refer to observations based on data while ___________ analytics refers to using data to help determine what may happen in the future. ✔Descriptive; predictive What is the difference between descriptive and predictive analytics? ✔Descriptive analytics refer to observations based on data while predictive analytics refers to using data to help determine what may happen in the future. What is the relationship between descriptive and predictive analytics? ✔Descriptive analytics can be used as a starting point for predictive analytics Which of the following statements explain how data scientists can help businesses achieve their goals? ✔Data scientists have a scientific process for using data to make recommendations for businesses that can help them achieve their goals. How can data scientists help businesses achieve their goals? ✔Both A and B Data scientists can help businesses achieve their goals by