How to Get to a 95% Confidence Level

With SUS, you don't need a sample size because if they've proved to be reliable over 25 years. But at the same time, when you've got such a small sample size, you're going to get another sample and the different people and you can't compare whether it's changed. It could be just pure wrong. So, so it needs to be,. there needs to be more... You'll compliment it with other sorts of data. And then it would be like you would use it to influence or persuade people to go your way if the number is what you want to be. Yeah.