Suppose a corporation has 2,000 employees with an average age of 36 . If the standard
deviation of age is 6 years, what is the standard error of the mean for this population?
a. .003
b. .07
c. .13
d. .80
C
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Answer the following statement(s) true (T) or false (F)
The standardized coefficient (beta) of .501 for a given independent variable indicates that one standard deviation of change in that variable is associated with about half of a standard deviation of change in the dependent variable.
_____ is defined in the text as each individual’s right to make his or her own decisions
A. Self-determination B. Confidentiality C. Informed consent D. Conferment
Research designs that loosely resemble classic experimental designs, but do not use random
samples are a. Pre-experimental designs b. Classic experimental designs c. Quasi-experimental designs d. Case study designs
Which of the following is true with regards to parametric and non-parametric tests?
a. Parametric tests make more assumptions than non-parametric tests, and can only be used on nominal data. b. Parametric tests make fewer assumptions than non-parametric scales, and can only be used on interval and ratio tests. c. Non-parametric tests are preferred over parametric tests, particularly because they can be applied to a wider range of measurement scales. d. Parametric and non-parametric tests can be used on the same types of measurement scales. Which you use depends entirely on your research question.