<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000814078
<NAME> MUTUAL FUND GROUP
<SERIES>
<NUMBER> 011
<NAME> CHASE VISTA U.S. TREASURY INCOME FUND-A SHARES
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> OCT-31-2000
<PERIOD-END> OCT-31-2000
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<TOTAL-LIABILITIES> 12,963
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<SHARES-COMMON-STOCK> 3,834
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<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> (56)
<ACCUMULATED-NET-GAINS> (8,187)
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<NET-ASSETS> 56,730
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<NET-INVESTMENT-INCOME> 4,680
<REALIZED-GAINS-CURRENT> (1,859)
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<NET-CHANGE-FROM-OPS> 5,183
<EQUALIZATION> 0
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<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 2,345
<NUMBER-OF-SHARES-REDEEMED> (5,218)
<SHARES-REINVESTED> 260
<NET-CHANGE-IN-ASSETS> (28,198)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (6,325)
<OVERDISTRIB-NII-PRIOR> (64)
<OVERDIST-NET-GAINS-PRIOR> 0
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<INTEREST-EXPENSE> 0
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<PER-SHARE-NAV-BEGIN> 10.67
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<PER-SHARE-DIVIDEND> (0.68)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 10.77
<EXPENSE-RATIO> 0.75
</TABLE>
