.已知5個(gè)正數(shù)的平均數(shù)是.且.則數(shù)據(jù)的平均數(shù)和中位數(shù)是 查看更多

 

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(2008•大興安嶺)已知5個(gè)正數(shù)a1,a2,a3,a4,a5的平均數(shù)是a,且a1>a2>a3>a4>a5,則數(shù)據(jù):a1,a2,a3,0,a4,a5的平均數(shù)和中位數(shù)是( )
A.a(chǎn),a3
B.a(chǎn),
C.a,
D.,

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(2008•大興安嶺)已知5個(gè)正數(shù)a1,a2,a3,a4,a5的平均數(shù)是a,且a1>a2>a3>a4>a5,則數(shù)據(jù):a1,a2,a3,0,a4,a5的平均數(shù)和中位數(shù)是( )
A.a(chǎn),a3
B.a(chǎn),
C.a,
D.,

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(2008•大興安嶺)已知5個(gè)正數(shù)a1,a2,a3,a4,a5的平均數(shù)是a,且a1>a2>a3>a4>a5,則數(shù)據(jù):a1,a2,a3,0,a4,a5的平均數(shù)和中位數(shù)是( )
A.a(chǎn),a3
B.a(chǎn),
C.a,
D.,

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(2008•大興安嶺)已知5個(gè)正數(shù)a1,a2,a3,a4,a5的平均數(shù)是a,且a1>a2>a3>a4>a5,則數(shù)據(jù):a1,a2,a3,0,a4,a5的平均數(shù)和中位數(shù)是( )
A.a(chǎn),a3
B.a(chǎn),
C.a,
D.

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(2008•大興安嶺)已知5個(gè)正數(shù)a1,a2,a3,a4,a5的平均數(shù)是a,且a1>a2>a3>a4>a5,則數(shù)據(jù):a1,a2,a3,0,a4,a5的平均數(shù)和中位數(shù)是( )
A.a(chǎn),a3
B.a(chǎn),
C.a,
D.

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