*Will fan and Medal*
The difference of two sample means is 22, and the standard deviation of the difference of the sample means is 10.
The difference of the means of the two populations at a 95% confidence interval is ±?

Question

*Will fan and Medal*
The difference of two sample means is 22, and the standard deviation of the difference of the sample means is 10.
The difference of the means of the two populations at a 95% confidence interval is ±?

anonymous · Answer

Is there any formula you can add on to this?

princessaurora · Answer

No they didn't give me any

anonymous · Answer

Well I don't know how to do this. But, I do know that ± means that you add and subtract.

anonymous · Answer

By the way, your very pretty. :)

princessaurora · Answer

Oh thanks :) & I thought that sign meant not equal to or something?

anonymous · Answer

Do you have any notes?

anonymous · Answer

Can you fan me?

princessaurora · Answer

I don't have notes with me, and ok.

anonymous · Answer

I hate not having notes

anonymous · Answer

I have to leave this question