Question: Consider the wire bond pull strength data in Exercise 12-8. (a) Test for significance of regression using 0.05. Find the P-value for this

Consider the wire bond pull strength data in Exercise 12-8.

(a) Test for significance of regression using   0.05. Find the P-value for this test. What conclusions can you draw?

(b) Calculate the t-test statistic for each regression coefficient. Using   0.05, what conclusions can you draw?

Do all variables contribute to the model?

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