QUESTION 7 Question: What is the first step of data mining? A. Obtain, process, and clean the data. B. Develop an understanding of the reason for the data mining project. C. If the tasks are supervised, partition the data. D. Generate algorithms to collect and perform data mining tasks. E. Choose the most appropriate data mining techniques for the task at hand. 6 points

QUESTION 8 Data variables and chart pairings are important to relay an effective visual communication to your audience. Out of the Basic Charts studied which chart is best suitable in an unsupervised learning condition to convey relationships? Bar Chart Line Graph Scatter Plot Heat Map Tree Map