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Category > Math Posted 24 May 2017 My Price 7.00

Give a 95% prediction interval for the percent increase in yield

Refer to Exercise 11.76. Give a 95% prediction interval for the percent increase in yield in a field with base saturation = 914 pounds/acre, phosphate saturation = 65%, and soil pH = 6.

Exercise 11.76

The results that follow were obtained from an analysis of data obtained in a study to assess the relationship between percent increase in yield (Y ) and base saturation (x1, pounds/acre),  phosphate saturation (x2, BEC%), and soil pH (x3). Fifteen responses were analyzed in the study. The least-squares equation and other useful information follow.

a Is there sufficient evidence that, with all independent variables in the model, β2 0? Test at the α = .05 level of significance.

b Give a 95% confidence interval for the mean percent increase in yield if x1 = 914, x2 = 65 and x3 = 6.

 

 

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Alpha Geek
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Status NEW Posted 24 May 2017 07:05 AM My Price 7.00

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file 1495611308-Answer.docx preview (167 words )
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