After the pandemic hit and people were forced to spend more time indoors, there have been a suspicion among health professionals     that people are eating more and thus gaining weight.  In 2018, the average weight of an American male was  198 pounds, and health experts want to know  if that average weight of the American male has gone up during this pandemic                                                                                           (a) What is the population for which inferencing is being done in this problem?   [narrative, no calculation needed]                                                                                                                                                           (b) What is the population parameter for which inferencing is being done?   [narrative, no calculation needed]                                                                                                                                                                                                                                   (c) Formulate the hypotheses that can be used by the health expert to confirm their suspicion

  After the pandemic hit and people were forced to spend more time indoors, there have been a suspicion among health professionals    
that people are eating more and thus gaining weight.  In 2018, the average weight of an American male was  198 pounds, and health experts want to know 
if that average weight of the American male has gone up during this pandemic                  
                                   
                                   
(a) What is the population for which inferencing is being done in this problem?   [narrative, no calculation needed]          
                                   
                                   
                                   
                                   
(b) What is the population parameter for which inferencing is being done?   [narrative, no calculation needed]          
                                   
                                   
                                   
                                   
                                   
                                   
(c) Formulate the hypotheses that can be used by the health expert to confirm their suspicion                
                                   
                                   
                                   
                                   
                                   
                                   
(d) A sample of  60 American males yielded a sample average weight of  201.5 pounds              
  and sample standard deviation of  15 pounds What is your conclusion at the 4% level of significance?        
  (be sure to state your conclusion in the context of this problem)                    
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
(e)  Would your conclusion change if the level of significance were changed to  1% ? Justify briefly.            
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