(The administrator of a youth substance abuse program is concerned about the dif
ID: 3181862 • Letter: #
Question
(The administrator of a youth substance abuse program is concerned about the difficulties in engaging and retaining referred youths in the 12-session treatment program. The administrator decided to study the factors that might explain differences in treatment engagement and retention. The sample consisted of participants from two different studies, and only participants who received a treatment intervention were included in the sample. The sample group consisted of participants with substance abuse who had attended 10 or fewer of their treatment sessions.
Why should group frequency be avoided using this data set? (Please explain in detail) 1) It is restricted to use for a large amount of categories, 2) The data is unevenly distributed by cases. 3) It requires a normal distribution to be used. 4) The group frequency fails to confirm subject age.
Case number Main substance abused Age Number of Treatment Sessions Attended 1 alcohol 16 10 2 marijuana 14 12 3 cocaine 15 3 4 heroine 17 0 5 other 12 4 6 alcohol 15 9 7 marijuana 13 11 8 cocaine 14 5 9 heroine 16 1 10 alcohol 15 8Explanation / Answer
Solution:
1) It is restricted to use for a large amount of categories.
We can create a group frequency for the one categories of the data, here we have 5 categories of data, so we should not use the grouped frequency.
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