Refer to the data on the growth of female salmon in the marine environment in Table D.7 of the Data Bank. A computer calculation gives a 95% confidence interval.

(a) Does the 95% confidence interval cover the true mean growth of all female salmon in that marine environment?
(b) Why are you 95% confident that the interval (416.43, 441.87 ) covers the true mean?

Transcribed Image Text:

One-Sample Z: Fmarine variable N Mean StDev 95.0% CI Fmarine 40 429.15 41.05 416.43, 441.87)