Question 68394
Height(in):65,66,67,66,62,70,63,65,60,64,67,63,65,69,67,68,62,63,63,70,74,58,63,74
Shoe size:9.5,8.5,12,11,7,10,10,8,8,9,10.5,10,9.5,11,9,9.5,10,10,9,12.5,14,5,6.5,12


    2)Identify the dependant and the independant variable.
Dependent is shoe size; Independent is height.
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    4)How do u kno where the best fit line is?
You could generate a scatter-plot to see the pattern.
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    6)Write an equation for ur line in point intercept form.
Using the Linear Regression capability of a TI-83 calculator I get:
shoe size = 0.395(height)-16.242
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    7)Rewrite the equation in standard form.
395(height)-1000(shoe size)=16242
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    8)Estimate the shoe size for the following heights. Tell whether u would use linear or interpolation or linear extrapolation.
height:66.5 - shoe size=10.008
.........77 - shoe size=14.152
.........80  - shoe size=15.327
........ 58 -  shoe size=6.6525
    10)Describe the pattern indicated in ur scatter plot. Do u think this pattern will continue forever/ why or why not?
Forever: No
Why????? height is limited no matter what living creature you talk about
so shoe size will be limited also.
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Cheers,
Stan H.