To calculate the sample mean x-bar, each researcher sums all the calorie counts for each scoop of ice cream. Thus, each researcher has summed together 20 values. Each researcher then divides that sum by the number of numbers summed together, which in this example is 20.
DEFINITION of 'Base Currency'. The first currency quoted in a currency pair on forex. It is also typically considered the domestic currency or accounting currency.For accounting purposes, a firm may use the base currency to represent all profits and losses.It is sometimes referred to as the primary currency.he first currency quoted in a currency pair on forex. It is also typically considered the domestic currency or accounting currency. For accounting purposes, a firm may use the base currency to represent all profits and losses. It is sometimes referred to as the primary currency.
Reserve Currency from Bretton Woods to China's Yuan. A reserve currency is a currency held in significant quantities by many governments and institutions as a means of international payment. While this used to consist of mostly gold and silver, 1944's Bretton Woods system expanded acceptable reserves to include the U.S. dollar and other currencies.