User Manual

14.ENG
Example: Analyze the following test scores. Assume that
the four students are the entire population: 96, 81, 87, 70.
Comments
Keystrokes
Display
Clear display
-
0.
Clear register
`
[CSR]
0.
1st entry
96
g
1.
2nd entry
81
g
2.
3rd entry (incorrect)
97
g
3.
3rd entry (removed)
97
`
z
2.
3rd entry (correct)
87
g
3.
4th entry
70
g
4.
Mean (class average)
`

83.5
Standard Deviation
`
ƒ
9.4472218
Variance
V
89.25
Important: Remember to press ` [CSR] to clear the
statistics register and return to arithmetic calculations.