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$begingroup$

I've been posed the following question:

Initially, I tried approaching this question by applying a 'comparing proportions' test on the information given. However, there is insufficient information; I cannot calculate the test statistic because the successes and sample size for global influenza is not given. Should I approach this question with null hypothesis: $H0 = mean(oceania) = mean (global)
$ ?

statistics

share|cite|improve this question

asked Mar 25 at 8:31

lohboyslohboys

10319

$endgroup$

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  $begingroup$
  The population of Oceania is around $40$ million (depending on definition) compared with a world population of around $7,600$ million so I would suggest you test $H_0: text Type A proportion in Oceania = 0.842$ and $H_1: text Type A proportion in Oceania not= 0.842$
  $endgroup$
  – Henry
  Mar 25 at 8:39
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  $begingroup$
  note that the global proportion $0.842$ is the population parameter, not a sample statistic, therefore you must test one-sample (not two-sample) hypothesis test. It would be two-sample, if two samples were selected from two populations (regions). So, the correct hypotheses: $H_0: p=0.842, H_a:pne 0.842$.
  $endgroup$
  – farruhota
  Mar 25 at 8:43
  

  
  
  
  


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  $begingroup$
  Thanks both for your help! much appreciated :)
  $endgroup$
  – lohboys
  Mar 25 at 8:54
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  $begingroup$
  math.meta.stackexchange.com/questions/29995/…
  $endgroup$
  – user657581
  Mar 25 at 9:08
  

  
  
  
  

add a comment | 

0

$begingroup$

I've been posed the following question:

Initially, I tried approaching this question by applying a 'comparing proportions' test on the information given. However, there is insufficient information; I cannot calculate the test statistic because the successes and sample size for global influenza is not given. Should I approach this question with null hypothesis: $H0 = mean(oceania) = mean (global)
$ ?

statistics

share|cite|improve this question

asked Mar 25 at 8:31

lohboyslohboys

10319

$endgroup$

• 
  
  
  

  
  

  
  
  
  
  
  

  
  $begingroup$
  The population of Oceania is around $40$ million (depending on definition) compared with a world population of around $7,600$ million so I would suggest you test $H_0: text Type A proportion in Oceania = 0.842$ and $H_1: text Type A proportion in Oceania not= 0.842$
  $endgroup$
  – Henry
  Mar 25 at 8:39
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  $begingroup$
  note that the global proportion $0.842$ is the population parameter, not a sample statistic, therefore you must test one-sample (not two-sample) hypothesis test. It would be two-sample, if two samples were selected from two populations (regions). So, the correct hypotheses: $H_0: p=0.842, H_a:pne 0.842$.
  $endgroup$
  – farruhota
  Mar 25 at 8:43
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  $begingroup$
  Thanks both for your help! much appreciated :)
  $endgroup$
  – lohboys
  Mar 25 at 8:54
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  $begingroup$
  math.meta.stackexchange.com/questions/29995/…
  $endgroup$
  – user657581
  Mar 25 at 9:08
  

  
  
  
  

add a comment | 

$begingroup$

I've been posed the following question:

Initially, I tried approaching this question by applying a 'comparing proportions' test on the information given. However, there is insufficient information; I cannot calculate the test statistic because the successes and sample size for global influenza is not given. Should I approach this question with null hypothesis: $H0 = mean(oceania) = mean (global)
$ ?

statistics

share|cite|improve this question

asked Mar 25 at 8:31

lohboyslohboys

10319

$endgroup$

share|cite|improve this question

asked Mar 25 at 8:31

lohboyslohboys

10319

share|cite|improve this question

asked Mar 25 at 8:31

lohboyslohboys

10319

asked Mar 25 at 8:31

lohboyslohboys

10319

asked Mar 25 at 8:31

lohboyslohboys

10319