To study the effect of temperature on yield in a chemical process, five batches were produced at each of three temperature levels. The results follow. Temperature   50°C 60°C 70°C     35 30 30     25 31 35     37 34 35     40 23 37     33 27 38   a. Construct an analysis of variance table (to 2 decimals but p-value to 4 decimals, if necessary).

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To study the effect of temperature on yield in a chemical process, five batches were produced at each of three temperature levels. The results follow.

Temperature

  50°C 60°C 70°C  
  35 30 30  
  25 31 35  
  37 34 35  
  40 23 37  
  33 27 38  

a. Construct an analysis of variance table (to 2 decimals but p-value to 4 decimals, if necessary).

 

Source of Variation Sum of Squares Degrees of Freedom Mean Square F p-value
Treatments          
Error        
Total        

 

b. Use a  level of significance to test whether the temperature level has an effect on the mean yield of the process.

Calculate the value of the test statistic (to 2 decimals).

 

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