Which of the following statement is not ture?
A: ANOVA can be used to compare the mean of two samples
B: Completely random design is more suitable for the data of the experimental subject's mixed influence is not too big
C: In random block design, the number of columns in each block is equal to the number of treatments
D: In random block design, the smaller the difference within and between blocks, the better
A: ANOVA can be used to compare the mean of two samples
B: Completely random design is more suitable for the data of the experimental subject's mixed influence is not too big
C: In random block design, the number of columns in each block is equal to the number of treatments
D: In random block design, the smaller the difference within and between blocks, the better
举一反三
- Compared with randomized complete design and analysis of variance, random block design and analysis of variance has( ). A: more source of variations B: smaller errors C: lower efficiency D: None
- For known but uncontrollable nuisance factors, which of the following method can we use for processing and analysis. A: Randomization B: Covariance analysis C: Block design D: None
- If the code snippet always generates a random number in [0, 1.0 ), what's the possible function from library random used here?>>> import random >>> random.______() A: randint B: random C: uniform D: shuffle
- Identify two situations in which the block header grows in a data block. （） A: when row directories need more row entries B: when there is row migration in the data block C: when there is an increase in the PCTFREE value for the data block D: when more transaction slots are required than are initially configured
- Identify two situations in which the block header grows in a data block. （） A: Awhen row directories need more row entries B: Bwhen there is row migration in the data block C: Cwhen there is an increase in the PCTFREE value for the data block D: Dwhen more transaction slots are required than are initially configured