How do I find the Standard Error of the Mean (SEM) and variance? Please help?
coolblue asked: Hey everyone, I am having a hard time with doing my chemistry calculations. I think I understand how to find the SEM, but the variance confuses me. (Like, how do you get the number in front of your value that has a + or – above one another) [...]
The marketing research department for a computer company used a large city to test market their new product?
Rocket Chips asked: The marketing research department for a computer company used a large city to test market their new product. They found that the demand equation was p = 1296 – 0.12x^2. If the cost equation is C = 830 + 396x, find the number of units that will produce maximum profit. Haha. That’s [...]
