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How do you Derive variance formula?
var(x) = E[(x - E(x))2] = E[(x - E(x)) (x - E(x))] <-------------Expand into brackets = E[x2 - xE(x) - xE(x) + (E(x))2] <---Simplify = E[x2 - 2xE(x) + (E(x))2] = E(x2) + E[-2xE(x)] + E[(E(x))2] = E(x2) - 2E[xE(x)] + E[(E(x))2] <---Bring (-2) constant outside = E(x2) - 2E(x)E[E(x)] + E[(E(x))2] <--- E[xE(x)] = E(x)E(x) = E(x2) - 2E(x)E(x) + [E(x)]2 <----------E[E(x)] = E(x) = E(x2) - 2[E(x)]2 + [E(x)]2 var(x) = E(x2) - [E(x)]2
What are some open syllables words?
Baby - Ba-byEven - E-venPaper - Pa-perAble - A-ble
How do you solve 13 equals e plus 2?
13=e+2 11=e (subtract 2 from each side)
If e x 2 is 3 what does e equal?
3/2
How do you manually calculate i to the power of i?
i (taken to be sqrt(-1) for this question) requires that you know a bit about writing complex numbers. i = e^(i*pi/2) so i^i = (e^(i*pi/2))^i which equals e^(i*i*pi/2) since i*i = -1 we get e^(-pi/2) so i^i = e^(-pi/2) which is roughly .207879576
What is Pa Takht-e Seh's population?
The population of Pa Takht-e Seh is 73.
What is the population of Pa Takht-e Yek?
Pa Takht-e Yek's population is 111.
What is Pa Takht-e Do's population?
Pa Takht-e Do's population is 59.
What is the population of Azad Bakht-e Korreh Pa?
The population of Azad Bakht-e Korreh Pa is 422.
What is the 500Barr PA combo?
Barrier E,Barr100 E,Barr200 E.
What is the Lifeswrd PA combo?
Sword E, WideSwrd E, LongSwrd E.
How many car miles are between E Springfield Pa and Pittsburgh Pa?
300 miles.
What has the author Helen E Woods written?
Helen E. Woods has written: 'The student teaching experience' -- subject(s): Student teachers, Attitudes, Student teaching
What is 'and eat bread' when translated from English to Italian?
E mangia pane, E mangiare pane! and E mangiate pane! are Italian equivalents of the English phrase "And eat bread!" Context makes clear whether one "you" (cases 1, 2) or two or more "you all" (examples 2, 3) suits. The respective pronunciations will be "ey MAN-dja PA-ney," "ey man-DJA-rey PA-ney" and "ey man-DJA-tey PA-ney" in Pisan Italian.
Where is the Pa Veteran'S Museum in Media Pennsylvania located?
The address of the Pa Veteran'S Museum is: 12 E State St, Media, PA 19063-2904
List of partnership business in the Philippines?
tanong pa e
What is a word for student or child that starts with e?
Excellent .
