An article in Electronic Packaging and Production (2002,
Chapter 12, Problem 15E(choose chapter or problem)
An article in Electronic Packaging and Production (2002, Vol. 42) considered the effect of X-ray inspection of integrated circuits. The rads (radiation dose) were studied as a function of current (in milliamps) and exposure time (in minutes). The data are in Table E12-7.
Fit a multiple linear regression model to these data with rads as the response. Estimate \(\text { \sigma } 2\) and the standard errors of the regression coefficients. Use the model to predict rads when the current is 15 milliamps and the exposure time is 5 seconds.
Equation Transcription:
Text Transcription:
\sigma 2
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