Population standard deviation can be calculated in SPSS by _____.
A. clicking on the population standard deviation box
B. clicking on the variance, then taking the square root of the variance
C. clicking on the sum of squares, then dividing it by the size of the population
D. clicking on the standard deviation, then using a transformation
Answer: D
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For a population with a mean of ? = 40, a score of X = 37 corresponds to z = –0.50 . The standard deviation for the population is ? = 3
Indicate whether the statement is true or false
Research has associated distress with all but which of the following physical problems?
a. headaches b. fatigue c. cancer d. upset stomach e. cardiovascular problems
Current treatments being investigated for Alzheimer's disease include
a. antioxidants like vitamin E and C. b. injections of Leva-dopa to replace levels of dopamine in the brain. c. use of stimulants like methylphenidate. d. drugs to enhance the production of beta-amyloids.
One specific way to overcome the obstacle of a mental set when attempting to solve a problem is to ____.?
a. ?try functional fixedness b. ?use overextension c. ?practice a representative heuristic d. ?let it incubate