SOLUTION: The standard deviation for the sample numbers 8,9,10? I got 0.81 and rounded to 1
Algebra.Com
Question 452143: The standard deviation for the sample numbers 8,9,10? I got 0.81 and rounded to 1
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
The mean is 9.
(8-9)^2+(9-9)^2+(10-9)^2
=1+0+1=2
2/n-1
=2/3-1
=2/2
=1 Variance
sqrt(1)=1 standard deviation
.
Ed
RELATED QUESTIONS
6. Fred received an exam score of 92 points in a biology class where the average was 89... (answered by ElectricPavlov)
FInd the standard deviation for the given data:
4, 8, 9, 14, 10
I got 3.22 is that... (answered by jim_thompson5910,ewatrrr)
Help! The process?
Find the sample mean, variance, and standard deviation. (For... (answered by jim_thompson5910)
3. An expert reviews a sample of 10 scientific articles (n = 10) and records the... (answered by jenn08066)
I asked this earlier but I got an answer I didn't really understand so I'll try again... (answered by ikleyn)
6.All else being equal, as the sample size increases, the width of a 95% Confidence... (answered by Boreal)
6. All else being equal, as the sample size increases, the width of a 95% Confidence... (answered by Theo)
H
0
:
μ
=
16.71
H
1
:
μ
≠
16.71
Your sample consists of 24... (answered by Boreal)
A publisher wants to estimate the mean length of time (in minutes) all adults spend... (answered by math_tutor2020)