Answer:
<h3><u>Mean</u></h3>
<u />



<h3><u>Standard Deviation</u></h3>



<h3><u>Summary</u></h3>
Nilo has a mean score of 10 and a standard deviation of 5.23.
Lisa has a mean score of 10 and a standard deviation of 1.83.
The <u>mean</u> scores are the <u>same</u>.
Nilo's standard deviation is higher than Lisa's.  Therefore, Nilo's test scores are more <u>spread out</u> that Lisa's, which means Lisa's test scores are more <u>consistent</u>.
 
        
             
        
        
        
Answer:
1
Step-by-step explanation:
(((a/b)^(-4))^0)=
((b/a)^4)^0)=
((b^4)/(a^4))^0=
1 
(ANYTHING to the power of 0 is equal to 1)
 
        
             
        
        
        
Answer:
16.9
Step-by-step explanation:
We can use a proportion also in this case 
51.6 : 23 = 38 : NO 
NO = (38 x 23)/51.6 = 16.9 
 
        
             
        
        
        
(A) The print area is 4/10 × 100% = 40% of the total, so the ad area is ...
... 100% - 40% = 60% of the print area
(B) News : Ads = (40%) : (60%) = 2 : 3
 
        
             
        
        
        
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