Suppose dice were rolled 273 times. Find the mean and standard deviation for a sum of seven.

Question

anonymous · Answer

What do you mean by 'for a sum of seven' ?

anonymous · Answer

i guess 7 out of the 273 dice rolls

anonymous · Answer

I'm still not sure what that means.

anonymous · Answer

are you taking seven of the dice rolls and summing them? Or what else? What's being summed? And is it being summed to equal seven? Or is it seven things that are being summed?

anonymous · Answer

seven the of the dice rolls being summed i think

anonymous · Answer

it's elementary statistics and this question has been really bothering me :/

anonymous · Answer

Is that the exact wording from the question you were given?

anonymous · Answer

yeah.

anonymous · Answer

Well then I think the question is stupid.

anonymous · Answer

It doesn't make sense when worded like that.