A sample consists of 25 freshmen, 25 sophomores, 25 juniors, and 25 seniors from a local high school that has an equal number of students in each class. If the sample was obtained using a list of all the students in the high school, it is probably an example of ____ sampling. If the sample was obtained without a list of students, it is likely an example of ____ sampling.
a. simple random; cluster
b. stratified random; quota
c. proportionate stratified random; quota
d. systematic; convenience
Question 2
A(n) _______________ study is designed to test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify potential side effects.
Fill in the blank(s) with correct word
(c) snow in Nunavut, alter the local albedo, causing altered microclimates. High albedos are found
Local and long–distance cell communication in animals.
Sample preoperative checklist.
Sample Items from the Brief Multidimensional Measure of Religiousness/Spirituality (BMMRS)
Hives is a general contraindication in the acute phase and a local contraindication in the subacute ...
Per capita consumption of power is high in the developed world and highest in the United States