Please help me with math!!!!!!!!!!!!!!!!!!!!!!!!

Algebra
Tutor: None Selected Time limit: 1 Day

Apr 20th, 2015

C: The actual frequencies are indicated on the graph by the dots,e.g. approximately 11.5 when the pulse rate is 64.45.  Class boundaries are midway between: e.g. 64.5 + (74.5-64.5)/2 = 64.5 + 10/2 = 69.5.

Apr 20th, 2015

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Apr 20th, 2015
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Apr 20th, 2015
Dec 7th, 2016
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