Monday

February 27, 2017
Total # Posts: 3

**math: standard deviation**

Calculate the standard deviation for the following yields of corn: 142, 161, 132, 143, 147, 145, 146, and 152 bu/ac. Are all yields obtained within one standard deviation of the mean?

*January 20, 2013*

**math standard deviation**

Calculate the standard deviation for the following yields of corn: 142, 161, 132, 143, 147, 145, 146, and 152 bu/ac. Are all yields obtained within one standard deviation of the mean?

*January 19, 2013*

**Physic**

If you shout across a canyon and hear the echo 0.57 s later, how wide is the canyon?

*May 3, 2010*

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