Random Errors are unpredictable. These errors are further classified into ( ). ( ). ( ). A: Instrument noise errors B: Switch repeatability errors C: Connector repeatability errors D: Drift errors

【多选题】What does “Market Segmentation” include? A: Geographic variables B: Demographic variables C: Psychographic variables D: Product-use variables

Which of the following statements are correct？（ ） A: Psychographic segmentation variables include consumer lifestyles. B: Psychographic segmentation variables include consumer brand loyalty. C: Psychographic segmentation variables include consumer personality attributes. D: Psychographic segmentation variables include consumer's benefit expectations of a product.

What are the results of medication errors?

Market segmentation variables should always ________.

When we utilize tabular method for transportation problems, the criterion for the optimal solution is ( ). A: the test numbers of non-basic variables are greater than or equal to 0 B: the test numbers of basic variables are less than or equal to 0 C: the test numbers of basic variables are greater than or equal to 0 D: the test numbers of non-basic variables are less than or equal to 0

Where a charter-party stated that errors of navigation were excluded，it was held that these words referred to non-negligent errors，and（）not wide enough to embrace negligent errors.

MySQL中查询系统变量的命令是（ ）。 A: show variables B: show variable C: check variables D: check variable

The larger a hotel is, The less errors will be made.

The number of refereeing errors in the experimental matches was _______.