11.4 #6 Prehistoric pottery vessels are usually found as sherds (broken pieces)
ID: 2908962 • Letter: 1
Question
11.4 #6
Prehistoric pottery vessels are usually found as sherds (broken pieces) and are carefully reconstructed if enough sherds can be found. Information taken from a study provides data relating x = body diameter in centimeters and y = height in centimeters of prehistoric vessels reconstructed from sherds found at a prehistoric site. The following Minitab printout provides an analysis of the data.
(a) The standard error Se of the linear regression model is given in the printout as "S." What is the value of Se?
(b) The standard error of the coefficient of the predictor variable is found under "SE Coef." Recall that the standard error for b is
. From the Minitab display, what is the value of the standard error for the slope b?
Predictor Coef SE Coef T P Constant -0.223 2.429 -0.09 0.929 Diameter 0.8048 0.1471 5.33 0.001 S = 4.02980 R-Sq = 70.3%Explanation / Answer
a) se of regression is equal to 4.0298
b) standard error of coefficient b is equal to 0.1471
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