Which of the following is a good reason to convert data to z scores?
A) We want to be able to estimate probabilities or proportions easily.
B) We think that it is easier for people to work with round numbers.
C) We want to make a skewed set of data into a normally distributed set of data.
D) all of the above

Question

Quizplus · Accepted Answer

Converting data to z scores allows us to standardize the data and make it easier to estimate probabilities or proportions. Option B is not a valid reason, as working with round numbers does not provide any statistical advantage. Option C may be a reason to transform data, but z score conversion specifically does not ensure normality.

Which of the Following Is a Good Reason to Convert