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what is the median of 82, 83, 85, 85

 May 14, 2015

Best Answer 

 #2
avatar+4711 
+10

Dbg you hae found the mean.

 

Median = middle

 

82 , 83 , 85 , 85

 

 

The median is in between 85 and 83

 

If we have two numbers in median we add them together then divide by two too find the centre.

 

$${\mathtt{83}}{\mathtt{\,\small\textbf+\,}}{\mathtt{85}} = {\mathtt{168}}$$

 

 

$${\frac{{\mathtt{168}}}{{\mathtt{2}}}} = {\mathtt{84}}$$

 

 

 

84 is your median.

 May 14, 2015
 #1
avatar+1222 
+5

$${\mathtt{82}}{\mathtt{\,\small\textbf+\,}}{\mathtt{83}}{\mathtt{\,\small\textbf+\,}}{\mathtt{85}}{\mathtt{\,\small\textbf+\,}}{\mathtt{85}} = {\mathtt{335}}$$

$${\frac{{\mathtt{335}}}{{\mathtt{4}}}} = {\mathtt{83.75}}$$

.
 May 14, 2015
 #2
avatar+4711 
+10
Best Answer

Dbg you hae found the mean.

 

Median = middle

 

82 , 83 , 85 , 85

 

 

The median is in between 85 and 83

 

If we have two numbers in median we add them together then divide by two too find the centre.

 

$${\mathtt{83}}{\mathtt{\,\small\textbf+\,}}{\mathtt{85}} = {\mathtt{168}}$$

 

 

$${\frac{{\mathtt{168}}}{{\mathtt{2}}}} = {\mathtt{84}}$$

 

 

 

84 is your median.

MathsGod1 May 14, 2015
 #3
avatar+1222 
0

Am I right, my friend?

 May 14, 2015
 #4
avatar+118723 
+5

No Dbg, you have found the mean(average) not the median.

The median is the MIDDLE score, or the average of the 2 middle scores if there in not just a single one.

Before you 'pull out' the middle score, you have to put them in order from smallest to largest.

That was already done for this set of scores :)

 May 14, 2015

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