How to find the weight with a height

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How to find the weight with a height that does not fall on the SD line

Last semester's survey data found the average height of females in the class to be about 65" with an SD of about 2.5". The average weight was 135 lbs. with a SD of about 25 lbs. Suppose the following girls fell exactly on the SD line. The table below gives their heights, you fill in their weights. (Don't type in "lbs.")

Remember: all pts. on the SD line have the SAME Z scores.

Height in inches height Z score SD line means same Z score for both so r = 1 Weight Z score (same as height z score Weight in Lbs.
63" -0.8 r=1 -0.8 90

 

Reference no: EM13850916

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