HP 9g - Graphing Calculator User Manual page 61

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[ Graph ]
Example 45
In the data in Example 44, change Y
= 8, then find Sx = 2.645751311
2
[ DATA ]
[ ] [ ] 9
[ ] 8
]
] [ ]
] [ ]
E-61
= 4 to Y = 9 and X
1 1
= 5 to X
2