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Author Question: With systematic sampling, there is the risk that the person selecting the next member for the sample ... (Read 166 times)

nenivikky

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With systematic sampling, there is the risk that the person selecting the next member for the sample from the population may be biased in his or her choice.
 
  Indicate whether the statement is true or false

Question 2

You have been assigned to test the hypothesis that the average number of hours per week that an American works is higher than the average number of hours per week that a Swede works.
 
  The following data summarizes the sample statistics for the number of hours worked per week for workers in each country. Assume that the population variances are unequal. American SwedeSample mean 32.7 hours 28.2 hoursSample size 15 12Sample standard deviation 5.1 hours 6.0 hoursIf Population 1 is defined as American workers and Population 2 is defined as Swedish workers, the degrees of freedom for this hypothesis test are ________.A) 21
  B) 25
  C) 26
  D) 27


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nmyers

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nenivikky

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Reply 2 on: Jun 24, 2018
Gracias!


cam1229

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Reply 3 on: Yesterday
Excellent

 

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