Questions

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Mean: Finding the missing number

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Given that a set of numbers = { 0.2, 0.8, 0.4, 0.3, 1.3, 0.4, 0.2, 0.4, 0.5, Z}.

 

     If the mean of the above set is 5. which is the value of Z ?

Z =

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Given that a set of numbers = { X, 5, 7, 8, 12, 6, 14, 11}.

 

     If the mean of the above set is 10. which is the value of X ?

X =

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Given that a set of numbers = { 5.3, 1.4, 7.5, 6.5, 1.2, 2.5, 1.6, 4.9, 3.6, 4.1, Z}.

 

     If the mean of the above set is 4. which is the value of Z ?

Z =

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Given that a set of numbers = { 4, 1, 5, 3, X, 2, 6, 4, 1, 2}.

 

     If the mean of the above set is 3. which is the value of X ?

X =

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Given that a set of numbers = { 1.5, 1.3, 1.5, 0.9, 0.7, 1.0, 0, 1.5, Z}.

 

     If the mean of the above set is 1. which is the value of Z ?

Z =

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Given that a set of numbers = { K, -8, 4, 2, -3, 5, -1, -3, 4, -2}.

 

     If the mean of the above set is -0.3, which is the value of K ?

K =

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Given that a set of numbers = { 3.5, 4.3, 7.5, 0.3, 1.7, 4.5, 3.6, 4.0, 3.5, 2.8, Z}.

 

     If the mean of the above set is 4. which is the value of Z ?

Z =

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Given that a set of numbers = { 15, 18, 19, 14, Y, 16, 5, 12, 8, 2}.

 

     If the mean of the above set is 12. which is the value of Y ?

Y =

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Given that a set of numbers = { 51, 49, 74, 65, Y, 25, 16, 49, 56, 35}.

 

     If the mean of the above set is 44. which is the value of Y ?

Y =

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Given that a set of numbers = { K, 6, -9, 1, 6, 0, -5, -1, 6, -5, 2, 5}.

 

     If the mean of the above set is 0.5, which is the value of K ?

K =