Question
Find the regression equation, letting overhead width be the predictor (x) variable. Find the best predicted weight of a seal if the overhead width measured
Find the regression equation, letting overhead width be the predictor (x) variable. Find the best predicted weight of a seal if the overhead width measured from a photograph is 1.9 cm. Can the prediction be correct? What is wrong with predicting the weight in this case? Use a significance level of 0.05.
Overhead_Width_(cm) Weight_(kg) 7.2 137 7.5 179 9.7 270 9.4 230 8.4 209 7.1 159
QUESTION 1:
The regression equation
QUESTION 2:
The best predicted weight for an overhead width of 1.9 cm is
enter your response here
kg.
QUESTION 3:
Can the prediction be correct? What is wrong with predicting the weight in this case?
A.
The prediction cannot be correct because a negative weight does not make sense. The width in this case is beyond the scope of the available sample data.
B.
The prediction cannot be correct because there is not sufficient evidence of a linear correlation. The width in this case is beyond the scope of the available sample data.
C.
The prediction cannot be correct because a negative weight does not make sense and because there is not sufficient evidence of a linear correlation.
D.
The prediction can be correct. There is nothing wrong with predicting the weight in this case.
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