HP 48g Graphing Calculator User Manual
Page 275
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4. Press OK to temporarily store the matrix in EDAT. To
confirm this action, jiress OK ; to cancel the action, press
C fl N C L. You may also use the matrix in the current input form
before pressing OK or
CfKHCl..............
Example:
Enter the following data into a matrix and store it in the
variable, TEST. Then make TEST the current statistical
matrix. The data compares the undergraduate grade point
averages of 12 corporate employees with their scores on a
managerial trainee examination:
GPA
Exam Score
2,2
76
2,4
89
3,1
83
3,5
91
o.D
2,5
yo
82
2,0
69
2,2
66
2,6
75
2,7
80
3,3
88
21
Step 1:
Open the MatrixWriter and enter the data (12 rows, 2
columns)
iFRf
matrix
")
2,2
(ENTER)
76
(ENTERI(▼ )
2.4
(ENTER)
89
(
enter
)
3,1
(ENTER)
83
(
enter
)
2,5
(ENTERI
79
(ENTER)
3,5
(ENTER)
91
(ENTER)
3,6
(ENTER)
95
fENTER )
2.5
(ENTER)
82
(ENTER)
2,0
(ENTER)
69
(ENTER)
2,2
fENTER)
66
(ENTER)
2,6
(ENTER)
75
(ENTER)
2,7
(ENTER)
80
(ENTER)
3,3
(ENTER)
88
(ENTER)(ENTER)
Statistics and Data Analysis 21-3