Tango paid seat selection is only available when booking directly at aircanada.com/agents. All passengers including those booked on Tango fares can use web check-in and select their seat up to 12 hours before departure. Click here for more information on Air Canada s web check-in.ango paid seat selection is only available when booking directly at aircanada.com/agents. All passengers including those booked on Tango fares can use web check-in and select their seat up to 12 hours before departure. Click here for more information on Air Canada s web check-in.
Definitions for ReciprocalrÉªËsÉªp rÉ kÉl. reciprocal(noun) something (a term or expression or concept) that has a reciprocal relation to something else. risk is the reciprocal of safety. multiplicative inverse, reciprocal(noun)
Reciprocal of arithmetic mean of reciprocals of all data values No conventional symbol ascribed Harmonic Mean = 1 / [ { (1 / X) } / N ] Useful measure of central tendency when data values represent rates or ratios Always less than arithmetic & geometric means.