(Solved): please help. thank you! 1) What is an example of an improper data set? 2) What is the definitio ...

please help. thank you!

1) What is an example of an improper data set? 2) What is the definition of a proper data set? 3) Why is it important to use proper data sets for data analysis? 4) List two Excel data analysis tools that are hard or impossible to use when the data set is not a proper data set.