A random sample of 61 fifth-grade students was selected and given the Stanford-Binet IQ test. The mean score for the sample was 97, with an estimated standard error of the mean of 2.43
Estimate whether the sample mean could be representative of a population whose mean is 100.
What will be an ideal response?
t=-1.235 Fail to reject
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A technician in a sleep laboratory is asked to awaken sleeping adults at random intervals. Which stage of sleep is most likely to be detected when the awakenings take place?
a) Stage 1 b) Stage 2 c) Stage 4 d) REM sleep
Which of the following statements regarding occupational aspirations and expectancies is not
true? A) Older adolescents in poorer neighborhoods are likely to have low occupational expectancies and aspirations. B) Both questionnaire and interview methods have been used to assess occupational expectancies and aspirations. C) A difficulty with questionnaire assessments of occupational aspirations is that participants may endorse occupations they believe are more socially desirable. D) There is not a strong connection between the occupational expectancies and aspirations of young children and eventual career choice.