according to estimates considered in the chap...
according to estimates considered in the chapter, up to what percentage of a data analysts time is spent cleaning (or scrubbing) the data to be ready for analysis?\nmultiple choice\n40 percent\n20 percent\n90 percent\n0 percent
Answer
# Brief Explanations:
Data - cleaning is a time - consuming task for data analysts. In practice, a significant amount of their time is dedicated to it. It is well - known that up to 90 percent of a data analyst's time can be spent on cleaning data to make it suitable for analysis.
# Answer:
C. 90 percent