Question

ons of u s are given. In each of the studies, the two populations of interest are students majoring in science at a particular univery and students majoring in liberal arts at this university. For each of these studies, indicate whether the samples are independently selected or pared Study 1. To determine if there is evidence that the mean number of hours spent studying per week offers for the two populations, a random sample of 100 science majors and a random sample of 75 liberal arts majors are selected independently selected red Study 2: To determine if the mean amount of money spent on textbooks mes per semester a random sample of science major is selected. Each student in this ample is asked for two data values how much money they spent on textbooks in the spring semester and how much money they spent on textbooks in the fall semester independently selected ired Study 3: lected. As we random sample of the To determine the mean amount of time spenting the amous branches for the two populations, a random sample of science major same siis selected from the population of bralta majors. independently selected o pared

Answer 1

Answer:

For study 1:

Right choice:

Independently selected

Clarification:

Here there are 2 samples :100 science majors and 75 Liberal Arts majors are free i.e., independent.

For study 2:

paired

Clarification:

Here the information is gathered from a similar arrangement of Science Majors

For study 3:

Independently selected

Clarification:

Here there are the 2 samples Science Majors and Liberal Arts Majors are autonomous or independent.