Statistics for nursing | Nursing homework help
4. Determine the data types or measurement scales for the following:
a) Determine whether the following variables are discrete or continuous:
i. Length of stay for hospitalizations (in days):
ii. Any emergency department visit in last 6 months (Yes/No):
iii. HbA1c level (in %):
iv. Height (in cm):
v. Concentration of mercury in the blood (ug/L):
vi. Pulse rate (beats per minute):
vii. Temperature (degrees Celsius):
viii. Pain scale (0-9):
ix. Grade level (A+, A, A-,…C-):
x. Diabetes ‘cut-off’ (non-diabetes-fasting glucose < 110 mg/dL, diabetic – fasting glucose ≥ 110 mg/dL):
xi. Number of missing teeth:
xii. Arm length (cm):
b) Determine whether the following variables are nominal, ordinal, interval or ratio: i. Ethnicity (e.g., German, Italian, Iranian):
ii. Temperature (degrees Kelvin):
iii. Ph level (degree of acidity in a solution):
iv. Satisfaction rating (strongly like, like,…strongly dislike):
v. Income (in dollars):
vi. Cause of death (injury, chronic illness, infection etc.):
vii. BMI category (underweight, normal, overweight, obese):
viii. Fasting glucose level (mg/dL):
ix. Socio-economic status (low, middle, upper):
x. Blood group (e.g., A, B, AB): xi. Disease symptoms (e.g., fever, pain, incontinence):
xii. Disease severity (mild, moderate, severe):
References:
The questions in this tutorial assignment were adapted from practice questions and companion data sets from Chapter 2 of the textbook by Rosner, B. (2011). Fundamentals of Biostatistics, 7th Edition. Brooks/Cole Cengage Learning, Boston, MA. End of file