If the mean of a given data set is 20.6 and the standard deviation is 2.2 ,where will a majority of data lie : a) 18.4 to 22.8 b)20 to 21 c)18.4 to 20.6 if you can tell me how you arrived at your answer. in advance .

part 1 answer = 8

part 2 answer = 72

step-by-step explanation:

part 1 explanation = add all of the numbers, then divide by how many numbers you have. so, 200/25 = 8.

part 2 explanation = not gonna lie, this is hard to explain, so just google how to do it.

i get you, what you should do is think of the positive things that would come out of it. it will make yours parents proud and raise your grade. you should always try and if you can't focus tell the teacher.