tracy12

Can someone please help me on these I have look at the examples and done just what they did, but I still get it wrong and I only have one more time to try. Use the following table to answer the questions. (Give your answers correct to two decimal places.)...

Consider the following set of data. (18, 12), (29, 48), (65, 29), (82, 24), (115, 56), (124, 13) (a) Calculate the covariance of the set of data. (Give your answer correct to two decimal places.) Incorrect: Your answer is incorrect. . (b) Calculate the st...

Can you give me a site for the correct values, I must not be looking at the same one or I am looking at the wrong ones because I can not get the numbers to match to the one you done. I do appreciate all your help.

So what did I do wrong on the part b? That one is wrong also.

I am sorry that is Se squared. That is the way it is written on the test.

I have a question where did you get 258.1. I must of had my numbers wrong, because I had those other two.

Ok, thank you, I had the wrong numbers for the yBar