Posted by **pat** on Saturday, February 9, 2013 at 4:29pm.

A set of data consists of 90 observations between 350 and 950.

a) What rule would you use to find the number of classes? Use this rule to determine the number of classes?

b) What formula would you use to determine the class width or length? Use that formula to determine the class width

- statistics -
**nicki**, Saturday, May 31, 2014 at 6:34pm
the 2 k rule

- statistics -
**Charlie**, Thursday, June 5, 2014 at 10:56pm
I don't know

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