A study obtained data on the amount of time 32 randomly selected young adults spent on their cell phones pre-pandemic and then during the lockdown phase of the pandemic. The investigator is interested in determining whether there is evidence that the amount of time young adults spent on their cell phone during the lockdown increased when compared to pre-pandemic times. Let
L=
time spent on phone during lockdown;
P=
time spent on phone prepandemic time; and
d=L−P
Question 4 (1 point) The data are paired because: The conclusion pertains to a mean difference. All of these are true Each element in the sample is measured twice: once pre-pandemic and once in lockdown There is only one sample