Iowa -6.5 does not, as the OP suggested, indicate that Vegas thinks they are a better team than MSU. The line is set to get an equal number of bets on both sides, so that the money payed out to the winning side will more or less balance out the money coming in on the losing side; The House takes a cut of all bets. Wash, rinse, repeat.
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Iowa -6.5 does not, as the OP suggested, indicate that Vegas thinks they are a better team than MSU. The line is set to get an equal number of bets on both sides, so that the money payed out to the winning side will more or less balance out the money coming in on the losing side; The House takes a cut of all bets. Wash, rinse, repeat.
Pesonally, i'd find a different game to bet on.