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Calculate mean and standard deviation, the result is different from excel

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this is me sample picture
and i got the Mean value: 1.1932 Standard deviation: 0.6329 by matlab
but i output each data and paste on the google excel to calculate average ;1.12 and std :0.6005
outptu coding
data = adjusted_image(:);
fprintf('影像資料:\n');
disp(data);
which one is correct ? i have no idea
thanks your reading and answering

Respuesta aceptada

Ayush Modi
Ayush Modi el 18 de Abr. de 2024
Hi,
I copy pasted the values of adjusted_image variable in the excel, and used the below formulas to calculate the value.
=AVERAGE(A1:JW45) % For Mean
=STDEV(A1:JW45) % For Standard deviation
I got the below answer:
Mean = 1.193168433
std = 0.6329027251
I would suggest you to check the calculations for the mean and standard deviation in your Excel spreadsheet to ensure that the formula correctly includes all the values.

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