An article used an estimated regression equation to describe the relationship between y = error percentage for subjects reading a four-digit liquid crystal display and the independent variables x1 = level of backlight, x2 = character subtense, x3 = viewing angle, and  x4 = level of ambient light. From a table given in the article, SSRegr = 20.4, SSResid = 21, and n = 30. Calculate the test statistic and calculate P- value. (Round your answer to two decimal places.) F =  P- value=

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An article used an estimated regression equation to describe the relationship between y = error percentage for subjects reading a four-digit liquid crystal display and the independent variables x1 = level of backlight, x2 = character subtense, x3 = viewing angle, and  x4 = level of ambient light. From a table given in the article, SSRegr = 20.4, SSResid = 21, and n = 30.

Calculate the test statistic and calculate P- value. (Round your answer to two decimal places.)
F = 
P- value= 
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