A researcher computes a sample variance equal to 16. What then must be the value of the sample standard deviation?
A. 4
B. 8
C. 16
D. 256
Answer: A
You might also like to view...
A group of researchers are studying depression in a sample of patients. Each researcher independently assesses the level of depression in each patient, but their assessments do not match. The problem with the research is that:
A) depression cannot be studied scientifically. B) the researchers do not have an objective measure of depression. C) there are too many researchers. D) the patients are not really depressed.
A trait is polygenic if it is influenced:
a. By a gene on the X chromosome b. By a gene on the Y chromosome c. By more than one gene d. Only by a single gene
Which of the following would be an effective way to use priming to help reduce test anxiety?
a) Prior to the exam, think about qualities of successful students b) Prior to the exam, think about how happy you will be if you do well on the exam. c) Prior to the exam, think about all the time and effort you have put into studying. d) Prior to the exam, think about your performance on similar exams in the past.
When are computer applications useful for psychology?
A) In a laboratory setting B) In a field setting C) When you don't have enough participants D) In a laboratory setting or a field setting