Permutation
• Input range: n r | 0 (n, r : natural numbers) | |||
• Formula: nPr |
| n! |
| |
(n | r)! | |||
| ||||
Combination
•Input range: n
•Formula: nCr
r0 (n, r : natural numbers)
n!
n!(n r)!
Population Standard Deviation
Sample Standard Deviation
Arithmetic Mean
— 28 —
• Input range: n r | 0 (n, r : natural numbers) | |||
• Formula: nPr |
| n! |
| |
(n | r)! | |||
| ||||
•Input range: n
•Formula: nCr
r0 (n, r : natural numbers)
n!
n!(n r)!
Population Standard Deviation
Sample Standard Deviation
Arithmetic Mean
— 28 —
