I guess you could say influence in life
What are the two health care systems?
Answer: Selection bias
Explanation:
Selection bias is defined as the process in which individual or group of individual are analyzed for selection process by lacking randomization property .This process displays that selected sample of individuals is not similar representative of major interest population.
According to the question,the systematic difference that occurs in selected group for experiment as per their last name is displaying that selected group does not represent interest population that is causing systematic error.Thus, this situation describes about selection biasing.
<span>Or
a fire 4 you may not operate a vehicle unless all child passengers from 8 till 17 years are either wearing a safety belt assembly or are securely
fastened into an approved child restraint device. Drivers are responsible from all passengers under 18 years of age.
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It is against the law to operate a vehicle unless every passenger is
restrained with a seat belt or child restraint seat.</span>