The officers of the Board of Chiropractic Examiners shall have power to administer oaths, summon witnesses, and take testimony as to matters pertaining to its duties. It shall adopt a minimum of educational requirements not inconsistent with the provisions of sections 148.01 to 148.10, which shall be without prejudice, partiality, or discrimination as to the different schools or colleges of chiropractic. The board shall meet at such times as the majority of the board may deem proper. A majority of the board shall constitute a quorum for the transaction of business. The secretary shall keep a record of its proceedings. This report shall be prima facie evidence of all matters therein recorded.