Question

in a survey conducted by a reputable marketing agency, 245 of 1000 adults 19 years of age or older confessed to bringing and using their cell phone every trip to the bathroom (confessions included texting and answering phone calls). complete parts (a) through (f) below. (a) what is the sample in this study? what is the population of interest? determine the sample in this study. select the correct choice below and, if necessary, fill in the answer box within your choice. a. the sample is all adults with a cell phone. b. the sample is the adults 19 years of age or older. (type a whole number.) c. the sample is all adults. d. the sample is all adults 19 years of age or older.

Explanation:

In statistical studies, the sample is a subset of the population. Here, the study involves 1000 adults 19 years of age or older who were surveyed. The population of interest is all adults 19 years of age or older (since the survey is about adults 19 or older and their cell - phone behavior in the bathroom). For the sample, we look at the actual group that was surveyed.

Answer:

B. The sample is the 1000 adults 19 years of age or older.