Nonresponse bias is: * 1 point 0 occurs when people give false or misleading answers 0 occurs when the dataccllection method incorrectly estimates the population 0 occurs when the sampling frame does not reflect the characteristics of the population 0 is a form of sampling bias A multistage sample is a sample where: * 1 point 0 you go through the population sequentially and select members at regular intervals 0 participation in the survey is voluntary O the people have been chosen because they are easily accessible 0 there are several levels of random sampling 0 none of the above