HP 9g Graphing Calculator - Manual (Page 63)

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Example 47
Given the following data, use linear regression to estimate x ’ =? for y
=573 and y ’= ? for x = 19
X 15 17 21 28
Y 451 475 525 678
[ MODE ] 1 [ ]
[ ]
[ ] [ DATA ]
[ ] 15 [ ] 451 [ ]
17 [ ] 475 [ ] 21 [ ]
525 [ ] 28 [ ] 678