Is this distribution symmetrical, negatively skewed, or positively skewed? Explain your answer.
15, 29, 20, 14, 20, 30, 49, 20, 63
Positively skewed, the mean is greater than the mode. This is due to two outliers, numbers 49 and 63.
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Answer the following statement(s) true (T) or false (F)
When you employ the mailed survey, you should include an introductory letter along with an addressed, stamped envelope for the return of the questionnaire.
Which of the following statements describes an evaluative study?
A. This study examined the differences in improvement in reading readiness scores for two groups, one of which had received the prekindergarten readiness service and one of which had not received this service. B. This study examined the relationship between age and improvement scores for a client group in order to examine whether age is a predictor of improvement for our clients. C. This study asked each client to indicate if they needed a given service when offered a list of services offered by the agency. D. This study collected data on the variables of stress and stressors in order to examine the relationship between these two variables.
Cultural competence in human services workers to improve cross-cultural communication is achieved by:
A. Being more adaptable to, and flexible in, choosing how to respond to situations B. Focusing on serving one or two cultural groups in order to increase specialization C. Increasing opportunities for persons from individualistic and collectivist cultures to interact D. Attributing the client's negative behavior to the environment or his or her circumstances
What is the value of chi-square?
A. 1.6
B. 2
C. 6.4
D. 10.2