Researchers in Lebanon conducted a study to identify personality characteristics that can be used to predict addiction to the internet and social media t a The study was carried out at a private university in Lebanon To select the sample the student population was ordered by student identification numbers and every 5th student from the list was invited to participate Would this sample be a simple random sample a systematic sample a stratified sample or a cluster sample Osimple random sample O systematic sample stratified sample cluster sample b Based on the sampling method described in part a is it reasonable to assume that this sample is representative of all students at this university in Lebanon Yes because the sample was randomly selected No because the sample was not randomly selected c Based on the sampling method described in part a is it reasonable to assume that this sample is representative of all internet users and social media users OYes because the sample was randomly selected No because the sample was selected from only students at this university in Lebanon No because the sample was not randomly selected Yes because the sample was selected from internet users and social media users MY NOTES d Some students who were selected for the sample chose not to participate in the study In total 586 participants completed the survey for an overall response rate of 41 86 Are you concerned about nonresponse bias in this study Or does the large sample size eliminate these concerns Nonresponse blas is not a concern because the sample size of 586 is fairly large so the sample should still be representative of the population The response rate of 41 86 is not low enough to be concerned apout nonresponse bias There is concern about nonresponse bias because there could be something systematically different about those participants who chose to respond