“Physiological coherence is when your heart, breathing, and nervous system work in a smooth, balanced and coordinated way.

you will be able to read the frequency directly from this. To calculate it manually, observe a fixed point and count how many waves pass this point in a measured time, for example 30 seconds.

Using the frequency table, the number of children is the total of all the frequencies. Image caption, To find the mean age, use a calculator to divide the total age of all the children (168 ...