In an essay of 250-500 words, describe data screening. Address the following items:

In an essay of 250-500 words, describe data screening. Address the following items:
How does data screening differ from data cleaning?
What part of data screening checks for the actual number of responses you have for each variable?
How is data screening related to the assumptions of the statistic you will choose to analyze your data?
Why are descriptive statistics a part of data screening?
What kinds of plots are useful in data screening?
What can you do if your data do not meet the assumptions of your statistic?