; or (bb) a legitimate private wage survey of the wages paid for such positions in the metropolitan statistical area. (ii) Legitimate private wage survey In this paragraph, the term legitimate private wage survey means, in the case of an application under subparagraph (A), a survey of wages by an entity other than the Federal Government— (I) for which the data has been collected during the 2-year period immediately preceding the date of the application; (II) that, if a published survey, has been published during the 2-year period immediately preceding the date of the application; (III) that is of the industry or occupation of intended employment; (IV) in which the employer job description is similar to the survey job description; (V) that is across industries that employ workers in the occupation; (VI) for which the wage determination is based on a weighted or straight average of the relevant wages, or another valid measure of central tendency determined by the Secretary of Labor of relevant wage levels