Question

15 The mean deviation from the mean of the set of observations -1,0 and 4​

Answer 1

Answer:

Step-by-step explanation:    We have  

x

_

=  

3

−1+0+4

​

=1

x  

i

​

   

∣

∣

∣

∣

​

x  

i

​

−  

x

_

 

∣

∣

∣

∣

​

 

−1  ∣−1−1∣=2

0  ∣0−1∣=1

4  ∣4−1∣=3

Answer 2

Step-by-step explanation:

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Electric charge is the physical property of matter that causes it to experience a force when placed in an electromagnetic field. Electric charge can be positive or negative (commonly carried by protons and electrons respectively).