Answer:
You do 2/3 times 30d minus 2/3 times 15. That will give you 20d - 10
Step-by-step explanation:
(2/3x30d) - (2/3x15) = 20d - 10
If you go to sc and slide to filter you’ll find one that solves the problem
This sample size it too small. The larger the sample size, the more likely the data will be true to what the question is asking. A larger sample size brings more precision to the question that is being asked.