+0  
 
0
34
1
avatar+2482 

Help 12,13

NotSoSmart  Apr 25, 2018
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 #1
avatar+86556 
+1

12

The percentage is given by  68 / 83  ≈  .82

 

13   Order the data      

 

Group A      32   36   36  37  41  42  44  45

Group B      26   36   36  38  40  40  40  42     

 

Mean Group A   =   39.125

Mean Group B   =   37.25       so....not true  

 

 

Range

Group A  =  45 - 32  =  13

Group B  =  42  - 26  = 16    false

 

Mode

Group A  = 36

Group B  = 40   false

 

Median 

Group A  =  [ 37 + 41] / 2  =  78/ 2  =  39

Group B  = [ 38 + 40 ] / 2  = 78 /    = 39    true

 

 

 

cool cool cool

CPhill  Apr 25, 2018

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