Theorem. If there are r series of observations X1, X2, ... X, then the mean M of the whole series is related to the means M1, M2, ...,. „ M, of the component series by the equation NM = N,M1+ N2M2 + + N,M, ...
Theorem. If there are r series of observations X1, X2, ... X, then the mean M of the whole series is related to the means M1, M2, ...,. „ M, of the component series by the equation NM = N,M1+ N2M2 + + N,M, ...
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.1: Equations
Problem 75E
Related questions
Question
Prove the property
![Theorem.
If there are r series of observations X1, X2, .. X, then
the mean M of the whole series is related to the means M1, M2,
M, of the
r
component series by the equation
NM = N,M1 + N2M2+ ...
+ N,M,
%3D](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd1cb78dc-adef-4d71-b927-0e9d58136169%2F2a98ad64-3f36-4126-b2ea-77cef1357d39%2Fjsq97nj_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Theorem.
If there are r series of observations X1, X2, .. X, then
the mean M of the whole series is related to the means M1, M2,
M, of the
r
component series by the equation
NM = N,M1 + N2M2+ ...
+ N,M,
%3D
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps with 2 images
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
![Mathematics For Machine Technology](https://www.bartleby.com/isbn_cover_images/9781337798310/9781337798310_smallCoverImage.jpg)
Mathematics For Machine Technology
Advanced Math
ISBN:
9781337798310
Author:
Peterson, John.
Publisher:
Cengage Learning,
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
![Mathematics For Machine Technology](https://www.bartleby.com/isbn_cover_images/9781337798310/9781337798310_smallCoverImage.jpg)
Mathematics For Machine Technology
Advanced Math
ISBN:
9781337798310
Author:
Peterson, John.
Publisher:
Cengage Learning,