Interpret the 95 confidence interval for by Dr. Janet Forrester

Question 7 / 7: Interpret the 95% confidence interval for mean number pounds of corn consumed by a sample of cows at an industrial feedlot of a beef farm: (10.7, 21.4)

A We are 95% certain that the true sample mean pound of corn consumed by cows is between 10.7
and 21.4.

B We are 95% certain that the true population mean pounds of corn consumed by cows is between
10.7 and 21.4.

C We are 95% certain that between 10.7 and 21.4 pounds of corn will be fed, on average, to an
individual cow.

D Ninety-five percent of the cows in the sample consumed between 10.7 and 21.4 pounds of corn.

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Epidemiology Sampling & Confidence Intervals

Author:

Dr.Janet ForresterProfessor

Tufts University School of Medicine

USA

Access: Public Partially Instant Grading

Attribution: Janet, E.A. Forrester, Kwan Ho Kenneth Chui, Steven Cohen, Michael D. Kneeland, Alice Tang, David Tybor. Epidemiology and Biostatistics 2010. (Tufts University OpenCourseWare), http://ocw.tufts.edu/Course/65/ (Accessed 3 May, 2014). License: Creative Commons BY-NC-SA

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