3 years ago

Stats homework I really need help please

1 answer:

4 0

Answer::

If the author assumes normal range is within one S.D. (5 years) then

the low normal is Average minus 5 and high normal is Average plus 5

Low = 20.2 - 5 = 15.2

High = 20.2 + 5 = 25.2

A normal chart shows that 68.27% of values lie with one standard deviation on either side of the mean

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