B9

B9 or B-9 may refer to:B9, is the abbreviation used for the record label Bridge NineVitamin B9, folic acidB9, the IATA code for Air BangladeshB9, the IATA code for Iranair ToursB9 star, a subclass of B-class starsThe Boeing Y1B-9, a bomber of the United States Army Air CorpsHMS B9, a B-class submarine of the Royal NavyB9, an international standard paper size (44×62 mm), defined in  ISO 216Model B-9, otherwise known simply as "Robot" on the TV series Lost in Space
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This X-11 table is the same as B 4 except that the differences (ratios) in B 8 are used to which a 7 term moving average is applied (to estimate the seasonal factors).
For more information, see X-11 Census Method II Seasonal Adjustment .