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sasho [114]
4 years ago
15

Is it unusual for the sampling mean to be exactly the same as the population mean?

Mathematics
1 answer:
8090 [49]4 years ago
4 0

Answer:

NO

Step-by-step explanation:

This is because the sample should ideally be representative of the whole population. If the right sampling methods are used, the sample should well exhibit the properties of the whole population.  The sample mean should be as precise as possible to the population mean , hence it is not unusual for the sampling to mean to be exactly the same as the population mean

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Hope this helps, if not, comment below please!!!!

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8 0
3 years ago
Larry has an annual return of $213 from $3000 invested at simple interest, some at 5% and the rest at 8%. How much is invested a
andreyandreev [35.5K]
There are two equations to express this problem. 1) expresses the total amount invested and 2) expresses the proportions of the amounts invested and how they relate to the interest earned . . .

1) x + y = 3000
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* from the first equation:

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y = 3000 - x

*substitute this into the second equation

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