Context Researchers concerned with waste produced by grocery bags surveyed a random sample of n=500 shoppers at a local grocery store and asked them whether they preferred paper bags over plastic ones. Research aim They hope to use their results to assess whether customers generally prefer one material over the other. The following multiple-choice options contain math elements, so you may need to read them in your screen reader's "reading" or "browse" mode instead of "forms" or "focus" mode. Choice 1 of 6: 1-sample z-test for a population proportion, p p Choice 2 of 6: 1-sample t-test for a population mean, Choice 3 of 6: a t-test for a population mean difference of paired observations, d d Choice 4 of 6: 2-sample t-test for a difference in independent population means, 1 2 1 2 Choice 5 of 6: ANOVA Choice 6 of 6: Simple linear regression