A Sampling Distribution for Statistics Graduate Programs The dataset Statistics PhD gives enrollment for all 82 graduate statistics programs in the US in 2009. Use StatKey or other technology to generate a sampling distribution of sample means using a sample size of n=10 from the values in this dataset. Click here for the dataset associated with this question.

Look, when you want to do something like put it like x^2. x2 could mean x² or x₂. so to clear confusion, know the notation. to find the product multiply the x's and you get -8x and the y's and you get 6y. since it's all being multiplied it is just -8x6y, or answer a. although the better answer is -48xy(combining -8 and 6) because you should multiply constants whenever you can.