sample=readmatrix('Data.csv');
x=sample(1:end,1);
xString=string(x);
dataSample=sample(:,2:end);
%Calculate mean
m = mean(dataSample, 'omitnan');
%plot the boxchart and get the handle to the boxchart object
b = boxchart(dataSample);
%get the width of the boxes;
width = b.BoxWidth;
%position data of boxes
x = double(b.XData);
%Data to plot individual lines for mean values
X = [x-width/2; x+width/2];
avg = [m;m];
hold on
%plot the mean values
plot(X,avg,'r')
