<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> 6-MOS
<FISCAL-YEAR-END> OCT-31-2000
<PERIOD-END> APR-30-2000
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<TOTAL-LIABILITIES> 273
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 84,760
<SHARES-COMMON-STOCK> 5,641
<SHARES-COMMON-PRIOR> 6,447
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> (62)
<ACCUMULATED-NET-GAINS> (7,798)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (3,060)
<NET-ASSETS> 73,840
<DIVIDEND-INCOME> 0
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<NET-INVESTMENT-INCOME> 2,455
<REALIZED-GAINS-CURRENT> (1,473)
<APPREC-INCREASE-CURRENT> 607
<NET-CHANGE-FROM-OPS> 1,589
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (2,024)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 622
<NUMBER-OF-SHARES-REDEEMED> (1,568)
<SHARES-REINVESTED> 140
<NET-CHANGE-IN-ASSETS> (11,088)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (6,325)
<OVERDISTRIB-NII-PRIOR> (64)
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 115
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 535
<AVERAGE-NET-ASSETS> 61,918
<PER-SHARE-NAV-BEGIN> 10.67
<PER-SHARE-NII> 0.35
<PER-SHARE-GAIN-APPREC> (0.10)
<PER-SHARE-DIVIDEND> (0.35)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 10.57
<EXPENSE-RATIO> 0.76
</TABLE>
