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While creating a dataset for analysis, the analyst reviews the data collected and finds a large percentage of
records are missing values. Which activity would the analyst perform in order to use this dataset?
There were 7 students enrolled in the Introduction to Artificial Intelligence course. These were the student's
scores from the final exam: 64, 70, 80, 80, 90, 98, 100
What is the mean and mode for the outlined scores?
The results for a certification exam were revealed in percentage and percentile. How would you infer the
results for an attendee at: 75%, 90th percentile?
A company wants to gauge the thoughts of their employees towards a new company product. On the 25th of
March the interviewer makes a list of all employees who were at work on that day and then chooses a subset
of those employees to interview. Which term describes the list of all employees present on March 25th?
A Data Dictionary is being developed for an employee database. When reviewing the data dictionary, the
analyst recommends adding another primitive data element. Which element would be suggested?
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