- if data_r_mean and data_c_mean is not None:
- item.append(round(relative_change(data_r_mean, data_c_mean), 2))
+ if data_r_mean and data_c_mean:
+ delta, d_stdev = relative_change_stdev(
+ data_r_mean, data_c_mean, data_r_stdev, data_c_stdev)
+ item.append(round(delta, 2))
+ item.append(round(d_stdev, 2))