In the Latin square design, all treatments occur once and only once on each row and column.
举一反三
- In the Latin square design, all treatments occur once and only once on each row and column. A: 正确 B: 错误
- 同时: all at once|all once|at all once|at once
- In a Latin square design, if there are 5 treatments with 6 repeat observations, how many observations in total can we get? A: 30 B: 150 C: 180 D: 250
- The phrase "once in a blue moon" in last line refers to______. A: all at once B: once for a long time C: once in a while D: once and for all
- Dining may only begin once the host and all his guests are seated.（ ）。