function plotSeriesTrend(mu, sigma, y, coeffs)
n=length(y);
endPointX = [polyval(coeffs, 1), polyval(coeffs, n)];
plot(1:1:n, y, '.')
hold on
plot([1,n], endPointX, 'r-.')
hold on
axisTitle = sprintf('Simulated series and linear trend: [mu,sigma,n] = [%f, %f, %d]', mu, sigma, n);
title(axisTitle);
end