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

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 ±________________.

jekdidkdjrjrjjr · Answer

@anthonyym @calculusxy @cinnamonbun @supersmart1001 @YarYar08

jekdidkdjrjrjjr · Answer

@Fedorable @jim_thompson5910 @ivettef365 @isaiah_r30

jekdidkdjrjrjjr · Answer

pls help omg

jekdidkdjrjrjjr · Answer

@mathmate

jekdidkdjrjrjjr · Answer

@mathmate can u help?

jekdidkdjrjrjjr · Answer

@calculusxy

mathmate · Answer

Sorry, you'd have to try someone else!

jekdidkdjrjrjjr · Answer

@mathmate can u take a guess tho??

mathmate · Answer

Statistics is a very precise science, including the assumptions.
A wrong assumption would give a completely different (incorrect) result.
Try @michele_Laino.  He might check in in a few hours.

jekdidkdjrjrjjr · Answer

but what should i write in the blank?? pls it doesn’t have to be right just guess ill give u a medal

mathmate · Answer

The black expects a number.
I don't suggest people guessing answers, so I am not going to guess.  You can save the medal for someone who deserves it!

mathmate · Answer

* blank