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

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

List 8 parts of speech and list examples

Why is Roosevelt's speech so memorable? (5 points) He emphasizes certain words and phrases It compared Americans to an army He used logic rather than emotion It

elements can be organized on a. the atoms table. b. the multiplication table. c. the periodic table.

(X + 1)/7 =5/(x - 1)

two trains, train a and train b, simultaneously depart station a and station b. station a and station b are 252.5 miles apart from each other. train a is moving

1)What changes that occurred as the United States shifted from an agrarian to an industrial society ? 2)The impact of political machines in the United States?

what's is the solution to the equation? 2/3a-1/6=1/3 options! a=1/4 a=7/ 12 a=1/6 a=3/4

what makes the sky blue? a. reyleigh b. the sun c. the atmosphere d. the birds

explain how to use the break apart strategy to find 247 + 358

The repetitive rise and fall of precipitation amounts as the seasons change is what kind of data relationship? Cyclic Direct Indirect Non-related