for example if the given mean is 15 and standard deviation is6.5 what is
the total frequency and...

Question

for example if the given mean is 15 and standard deviation is6.5 what is
 the total frequency and total frequency

Robert · Accepted Answer

If the given mean is 15 and standard deviation is 6.5 what is the total frequency and total 
frequency 
Solution: 
Given: 
       
∑    
∑
Where, ∑   is the total frequency. 
Also, 
Standard deviation,   √         
Where,

for example if the given mean is 15 and standard deviation is6.5 what is the total frequency and total frequency

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