HP 9g - Page 62

E-62
[ 2nd ] [ STATVAR ] [ ]
[ ]
Example 46
 Enter the data : a
x
= 2, X
1
= 3, FREQ
1
= 2, X
2
= 5 , FREQ
2
= 9, X
3
= 12, FREQ
3
= 7, then find t = –1.510966203, P( t ) = 0.0654,
Q( t ) = 0.4346, R ( t ) =0.9346
[ MODE ] 1
[ ] [ DATA ] [ ]
[ ]
[
] 2 [ ]
[ DATA ] [ ] 3 [ ] 2
[ ] 5 [ ] 9 [ ] 12
[ ] 7
[ 2nd ] [ STATVAR ] [ ]
[ ]