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A scientist has a hypothesis that as the temperature rises (to a maximum of 95°F), the proportion of people absent from work without just cause increases. He finds that at an outside temperature level x1 = 80°F, the proportion of absenteeism from work is . At temperature level x2 = 85°F, the proportion of absenteeism is . At temperature level x3 = 90°F, the proportion of absenteeism is . Should the hypothesis be rejected or should it be accepted? Why

 

A Rejected, because the data do not support the hypothesis that as the temperature increases, the proportion of people absent from work without just cause increases

B Accepted, because this was an experimental study and the hypothesis is always confirmed in this form of study

C Rejected, because one of the limits of an experimental study such as this is that causation cannot be made between the variables

D Accepted, because the proportion of people absent from work without just cause increases as the temperature increases

 
 Apr 18, 2018

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