Explain the concept of range and how it is calculated.
What will be an ideal response?
The range is found by subtracting the lowest value in a set of data from the highest. The range offers a rough idea of how much variation there is in the categories of a variable.
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Which of the following illustrates a grouped data frequency distribution?
A) 36 students are enrolled in introductory statistics, section A B) 5 new students have been accepted on the editorial staff of their school paper. Two of the students are 18 years of age, one is 19 years, and two are 21 years of age. C) of the 20 female students living in a housing complex, 10 are under 20 years of age, one is between 20 and 25 years, seven are between 26 and 30 years, and two are above 30 years. D) ?none of these.
Social and behavioral scientists are working on a study to better understand violence among intimate
partners. The study is going to be implemented in the very near future as the researchers are "finetuning" the methodology. However, there have been some concerns about the validity of the measures. What does it mean to have measurement validity? a) The instrument can detect empirical outcomes b) The instrument makes conceptual sense to research participants c) The instrument measures what it is suppose to d) The instrument has internal consistency
Identify the concept of informed consent in the use of human subjects in research and explain why you believe this principle would or would not be among the principles most likely to be difficult to enforce in studies by social workers.
What will be an ideal response?
It is important for reasons of interventions that the social workers be informed of
the religious affiliations of their clients and the depths to which they practice their faith.
Indicate whether the statement is true or false.