+0  
 
0
122
3
avatar

Maths Question

Guest Mar 28, 2018
 #1
avatar+92843 
+1

We can use a weighted average here  =

 

[ sum of  freq* mipoint ] / [sum of freq ]  \

 

[  (1*5) + (4*15)  + (7 * 25)  + (2 * 35)  + (3 * 45)  + (3 * 55)

_______________________________________________

     [ 1 + 4 + 7 + 2 + 3 + 3 ]

 

[  610 ]

______

   20

 

 

30.5  cm  =  mean height of the plant

 

 

cool cool cool

CPhill  Mar 28, 2018
 #2
avatar
0

Can You help me with this question too

Guest Mar 28, 2018
 #3
avatar+92843 
+1

30  out of 40 dislike the new start time  = 3/4

 

So....we would expect that   (3/4)*1000  =  750  to dislike it

 

 

cool cool cool

CPhill  Mar 28, 2018

17 Online Users

avatar
avatar
avatar
avatar
avatar
avatar

New Privacy Policy

We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive information about your use of our website.
For more information: our cookie policy and privacy policy.