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Grace [21]
3 years ago
14

If a population mean is 300 and the sample mean is 400, the difference of 100 is called:

Mathematics
1 answer:
rodikova [14]3 years ago
7 0

Answer:

B. Sample error.

Step-by-step explanation:

Such type of error is called Sample error.

Sample error occurs when

Sample error is a statistical error when an expert fails to choose a sample which symbolizes the whole data population and the outcomes of the sample do not reflect the outcomes from the whole population.

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ivolga24 [154]

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18

Step-by-step explanation:

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Solve the system of equations <br> 3x-4y=18<br> -2x-3y=5
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Simplify
ivolga24 [154]
The correct answer is:  [A]:  " \frac{8}{729} " .
_________________________________________________________
Explanation:
_________________________________________________________
We are asked to simplify:

                  →    (\frac{2}{9})^3   

_________________________________________________________
Note the following property of exponents:
_________________________________________________________

( \frac{a}{b})^n  =  \frac{(a^n)}{(b^n)} ;  { b \neq0 } . 

_________________________________________________________
As such:

→  ( \frac{2}{9})^3  ;

                 
 =
\frac{2^3}{9^3} = \frac{(2*2*2)}{(9*9*9)} =  \frac{8}{729} .

_____________________________________________________________


The answer is:  
" \frac{8}{729} "  ; 

→  which is:  "Answer choice:  [A]:  " \frac{8}{729} " . 
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Hope this answer—and explanation—is of some help to you.
  Please comment below or otherwise respond to me if you have any questions or if I can be of further assistance.
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Which number line shows the solution to 1/4 + 1 &lt; 5
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3 0
3 years ago
I think its A but im not sure lol
sergij07 [2.7K]

Answer:

A is correct

Step-by-step explanation:

:D

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