u/Specialist_Inside751

i don’t want to flunk out of this program i just don’t know what to do atp

I believe I have an outdated Edelman book.. My book has nothing with PPV NPV sensitivity or specificity. Are there any good resources or could someone give me a quick rundown?

I just passed my physics class with a B and I’m now preparing to take the SPI. What should I focus on the most? Are the questions as difficult as Prepry?