[example continued…] A researcher is interested in underst…
A researcher is interested in understanding the smartphone habits of college students in the US. To answer this question, the researcher conducts an online survey of 1000 randomly selected college students from California. 77% of these students reported using their smartphones as soon as they wake up in the morning. In this example, the percentage of college students who use their smartphones as soon as they wake up in the morning is likely to differ between college students in the US versus the randomly selected college students in California. This difference is an example of _________.