mbsirisha27

Which of the following statements are true about bias in epidemiological studies? (Choose 1 best answer) Random, non-systematic deviation of the study results from the truth (measurement error) causes bias    Non-random, systematic deviation of the study results from the truth causes bias   Bias can be detected by examining p-values   Bias can be detected by examining confidence intervals

Describe the process of removing one or more fields from the database created in Access and MYSQL respectively.