Certificates of deposit, or CDs, are fixed income investments that generally pay a set rate of interest over a fixed time period.
When referenced to the local common or ground, a common-mode signal appears on both lines of a two-wire cable, in-phase and with equal amplitudes. Technically, a common-mode voltage is one-half the vector sum of the voltages from each conductor of a balanced circuit to local ground or common.
Mode - the number that appears the most times. Mean - all the numbers added together, divided by how many numbers there are. Range - difference between highest and lowest numbers. Median - put all the numbers in order of increasing value, the median is the number in the middle.