A sample of n = 20 scores has a mean of M = 45 and a standard deviation of s = 8 . In this sample, what is the z-score corresponding to X = 57?

a. z = 12/20 = 0.60 c. z = 1.50
b. z = 1.00 d. z = 2.00


C

Psychology

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As infants mature, the range of the pitch of the sounds they can sense gradually expands to include the adult's range of ______________ to _________________ cycles per second

Fill in the blank(s) with correct word

Psychology

Gender is defined as:

A. an individual's emotional and intellectual awareness of being either male or female. B. personality characteristics, attitudes, behaviors, and expectations about femininity and masculinity. C. the meanings that societies and individuals attach to being female and male. D. the biological division of humanity.

Psychology

Which group best defines a sample?

a. the world's population. b. all of the smokers in New York City c. all males d. all redheads in the McCarthey family

Psychology

What type of therapeutic orientation do psychotherapists use if they draw multiple concepts and techniques from various schools of practice?

A. Eclectic B. Psychodynamic C. Cognitive-behavioral D. Humanistic

Psychology