186k views
0 votes
Stats homework I really need help please

Stats homework I really need help please-example-1

1 Answer

7 votes

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

User Vishal Mokal
by
3.3k points