February 20, 2017

Homework Help: Statistics 250

Posted by Alica on Thursday, March 18, 2010 at 4:47am.

For the past 20 years, the high temperature on April 15th has averaged µ = 62 degrees with a standard deviation of σ = 4. Last year, the high temperature was 72 degrees. Based on this information, last year's temperature on April 15th was the following.
a. far above average
b. above average, but it is impossible to describe how much above average
c. There is not enough information to compare last year with the average.
d. a little above average

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