Answer:
hi
Step-by-step explanation:
 
        
             
        
        
        
Answer:
Option 2
Step-by-step explanation:
A 68% prediction interval for the output of 120 workers will be an interval which is of the length +/- 1* standard error of regression. Thus 68% PI is 131958 +/- 14994.93 i.e. option 2
 
        
             
        
        
        
Answer:
Step By Step Explanation!-
<h2>57.82÷0.784</h2>
57.82
÷
0.784
______
57820
÷
784
______
73.75
57.82
÷
0.784
_____
73.75
 
        
             
        
        
        
Answer:
D. 32
Step-by-step explanation:
116 + 2b = 180
2b = 64
b = 32