Stratified sampling is random selection of subjects from heterogeneous groups into which they have been divided. All subjects within a group are included in the sample.
a. true
b. false
b. false
Health & Biomechanics
You might also like to view...
The exchange of gases between the atmosphere and the blood is the process of ________
Fill in the blank(s) with correct word
Health & Biomechanics
According to the United States Department of Agriculture (USDA), what is the recommended daily allowance for calcium consumption?
1. 1.7 mg 2. 60 mg 3. 400 mg 4. 1000 mg
Health & Biomechanics
What is the main function of the hypothalamus?
What will be an ideal response?
Health & Biomechanics
?Physiological changes that result from sympathetic nervous system activation include _____.
A. ?decreased blood pressure B. ?decreased oxygen to the brain C. ?increased heart rate D. ?increased digestion E. ?increased salivation
Health & Biomechanics