Answer:
Sampling is necessary because researchers in the social sciences almost never have enough resources — time or money — to collect information about the entire set of subjects of interest to them.
Step-by-step explanation:
Sampling is done because you usually cannot gather data from the entire population. Even in relatively small populations, the data may be needed urgently, and including everyone in the population in your data collection may take too long.
 
        
             
        
        
        
Answer:
4
Step-by-step explanation:
You just have to divide the money he has by the ticket price.
The answer to that division is 4.5, but he can't buy half ticket, so the answer is 4
 
        
                    
             
        
        
        
1 is the median 
0000(1)2234
The median is the middle number
        
             
        
        
        
Answer:
y = 0.8x - 3
Step-by-step explanation:
See attached screenshot solution using Desmos
 
        
             
        
        
        
Answer:
11 bucks
Step-by-step explanation: