Which is true about the variance for scores in a data set?
a. A larger variance value usually indicates a smaller dispersion of scores.
b. It can be calculated for nominal scores.
c. The calculated score has no absolute value.
d. The variance indicates the range of scores.
ANS: C
You might also like to view...
If a nurse is sensitive to latex gloves, what potential food sensitivities might the nurse develop? (Select all that apply.)
a. Peanuts b. Avocados c. Milk d. Bananas e. Tomatoes f. Potatoes
Best practice recommendations for undergraduate nursing education in relation to gerontology include which of the following? (Select all that apply.)
a. Provision of a "stand-alone" course in gerontological nursing b. Integration of gerontological content throughout the curriculum c. Replacement of acute care pediatric clini-cal experiences with gerontological clinical experiences d. Recruitment of nurses with Masters and Doctoral degrees and a specialty in ger-ontology to faculty roles e. Requiring all undergraduate nursing stu-dents to obtain gerontological certification as a requirement for graduation
A nurse researcher is planning to write a proposal for a research study using a quantitative design. To maintain control in the study, the nurse should include which elements? (Select all that apply.)
a. Valid, reliable collection methods b. Subjects of all ages c. Trained data collectors d. Standardized data collection processes e. Analysis of data by words or text only
Which of the teaching points should the nurse include in teaching a client about mammography? (Select all that apply.)
a. It won't hurt at all. b. It is important to have a baseline mammogram performed between ages of 35 and 40 c. It is a radiological study used to diagnose benign and malignant disorders of the breast. d. in women over 50, an annual breast examination by physician or nurse practitioner is recommended in addition to annual mammograms. e. The client may feel some discomfort for several seconds.