Comparing two dependent? groups

  • Thread starter Thread starter matlabber
  • Start date Start date
  • Tags Tags
    Groups
matlabber
Messages
13
Reaction score
0
Hi,

I have a mathematics/Matlab question. Suppose I have a speaker that serves as a sound source, and two IDENTICAL microphones to the left and right of this speaker. Suppose that each microphone collects data regarding the sound level of the speaker, and that there are over 3,000 data values for each of the microphones. How can I determine whether the differences in the data for the left and right microphone are due to randomness, or if there is an actual difference when placing a microphone to either the left or right of a speaker? I am not sure what method to use, and which function may correspond in Matlab.

Thank You!
 
Physics news on Phys.org
Are the data recorded (nearly) simultaneously, so that you can compare pairs? Or is the sound from the speaker white (or pink) noise so that you can make an assumption about the expected distribution of results?
 

Thread 'Roulette wheel physics and probability'

Hi all, I've been a roulette player for more than 10 years (although I took time off here and there) and it's only now that I'm trying to understand the physics of the game. Basically my strategy in roulette is to divide the wheel roughly into two halves (let's call them A and B). My theory is that in roulette there will invariably be variance. In other words, if A comes up 5 times in a row, B will be due to come up soon. However I have been proven wrong many times, and I have seen some...
View full post »
Thread 'Detail of Diagonalization Lemma'

Thread 'Detail of Diagonalization Lemma'

The following is more or less taken from page 6 of C. Smorynski's "Self-Reference and Modal Logic". (Springer, 1985) (I couldn't get raised brackets to indicate codification (Gödel numbering), so I use a box. The overline is assigning a name. The detail I would like clarification on is in the second step in the last line, where we have an m-overlined, and we substitute the expression for m. Are we saying that the name of a coded term is the same as the coded term? Thanks in advance.
View full post »

Similar threads

Misc. Interference Between Two Speakers -- Real Life Version of a HW problem
Replies
18
Views
5K
A Optimizing Grouping of People for Teamwork
Replies
2
Views
2K
What is the Speed of Sound in this Lab Setup?
Replies
1
Views
3K
Understanding Interference of Sound Experiment
Replies
4
Views
2K
How do you test the accuracy of a microphone?
Replies
1
Views
4K
Calculate Sound Directionality w/ Equation & CAD
Replies
16
Views
2K
I Randomly Stopped Sums vs the sum of I.I.D. Random Variables
Replies
2
Views
2K
I Does the statistical weight of data depend on the generating process?
4
Replies
174
Views
11K
I How to compare two data sets with multiple samples
Replies
8
Views
2K
Sound Wave Interference and Finding the Path Differences with Diagrams
Replies
20
Views
5K

Hot Threads

Recent Insights

Back
Top