The expected numbers (under the null hypothesis) in each cell are equal to. Thus for the introvert/red cell the expected number is. To calculate the chi-squared (c2) statistic the value of. needs to be calculated for each cell in the table.
Ledger Board Definition. A ledger board is a horizontal lumber beam attached to an existing wall and used to tie in construction elements such as porch roofs and decks. A deck ledger is installed as part of the deck frame construction. The frame is then attached at either end, with the deck joists butting up to it.
Collection of an entire group of similar accounts in double-entry bookkeeping. Also called book of final entry, a ledger records classified and summarized financial information from journals (the ' books of first entry') as debits and credits, and shows their current balances. In manual accounting systems, a ledger is usually a loose leaf binder with a separate page for each ledger account. In computerized systems, it consists of interlinked digital files, but follows the same accounting principles as the manual system.