0
votes
1answer
26 views

Contribution of group to difference in total measurement

Say we have a response (0 1) of success and we measure the percentage of success in two years. We observe an increase in the percentage of success. The population (different in two years) is divided ...
0
votes
0answers
16 views

How do I determine the significance of a difference in weighted averages from a Likert-type survey question?

I have multiple survey questions that give respondents 4 Likert-type options for a response to qualify their knowledge/skill in a particular area. I have calculated a weighted average (and divided by ...
2
votes
0answers
34 views

How to symmetrically adjust data by removing certain value

Say I have a data set in the following format: {a:200, b: 100; c:400} The sum of a, b and c equals 700. Now, I have another value which is supposed to be the actual total say 500. How do I adjust ...