Answer: σ: 2.76
Step-by-step explanation:
Count, N: 5
Sum, Σx:	125
Mean, μ:	25
Variance, σ2:  7.6
Steps
look at attached pic for formula
σ^2 = 

⇒ 
⇒	7.6
σ =  
⇒  	2.756809750418
⇒ or 2.76
 
        
             
        
        
        
Answer:
y-b+am/m
Step-by-step explanation:
y-b=m(x-a)
y-b=MX-ma
mx=y-b+ma
x=y-b+ma/m
 
        
             
        
        
        
Answer:
See below,please. 
Step-by-step explanation:
Volume of water = meter reading (11) - meter reading (8) 
=

 
        
             
        
        
        
Answer:
1 / 7
Step-by-step explanation:
Number of sections on spinner = 7
Section is numbered 1 to 7
Since the probability of landing on each section is the same:
Probability that spinner lands on 4 :
Probability, p = Required outcome / Total possible outcomes
Required outcome = landing on 4 = 1 
Total possible outcomes = (1 to 7) = 7
P(landing on 4) = 1 /7 
 
        
             
        
        
        
Answer:
answer is not there answer is 64in^2
Step-by-step explanation: