ineedhelpasap4496 ineedhelpasap4496
  • 01-10-2017
  • Mathematics
contestada

A sample of n = 9 scores has a variance of s2 = 144. what is the standard deviation for this sample?​

Respuesta :

barnuts
barnuts barnuts
  • 11-10-2017

The relationship between variance and standard deviation is simply:

s = standard deviation

s^2 = variance

 

s = sqrt (s^2)

 

Therefore calculating for s:

s = sqrt (144)

s = 12

 

So we get the standard deviation is simply 12 scores.

Answer Link

Otras preguntas

kelly bought 1 yard of fabric . she bought 3/8 yard more than shannon . how many yards of fabric did shannon buy ?
Dental specialist who prevents or treats disorders of the tissues surrounding the teeth
What was the greatest difference between northern and southern economies?
A salesperson has 50 shirts to sell and must sell a minimum of 20 shirts. The salesperson sells the shirts for $35 each. The amount of money the salesperson ma
HELP WITH SPANISH PLEASE! *This hasn't been answered, scroll down please.*
Find the area of the parallelogram with vertices at (−5,3),(−5,3), (−1,1),(−1,1), (3,−6),(3,−6), and (7,−8)
What is a graphic organizer used for
can u show how you get you answer 2 √(9a^3 b^4 c ) what is equivalent to the expression above?
What is responsible for bone growth and changes in the shape of bones?
Jacob, Kylie, and Manuel each bought a sandwich and drink. The total bill to $21, and each drink cost $2. Of each sandwich cost the same amount, what is the cos