A hypothesis is a tentative statement about the relationship between two or more variables. Learn more about the elements of a good hypothesis.
1 If not, typical out-of-pocket expenses consist of a laboratory copay of $10 to $30 per test. 2  For patients not covered by health insurance, STD tests done at a doctor's office usually cost $50 to $200 each, depending on the test.
1 On average, the test can cost anywhere from $7 to as much as $100. 2  Higher cost of living states such as California can be as much as $100, while states down south such as North Carolina only cost $7.3  Note that there are a few states that will allow some people to take the GED exam for free. This will depend on the testing center and state policies. 2  Study materials such as a book and CD Rom can cost anywhere from $9 to $50 per set depending on the book publisher. 3  For example, a popular product such as the McGraw-Hillâs GED w/CD-ROM program retails for $17 to $30.