1. A pharmacist is interested in whether or not patient satisfaction is related
ID: 3273698 • Letter: 1
Question
1. A pharmacist is interested in whether or not patient satisfaction is related in any way to the way that he dresses. On odd numbered days, he dresses very professional; on even numbered days he dresses casually. Patients are given a survey and asked to rate how satisfied they were with their care on a scale from 1 – 7 where 1 is “highly satisfied” and 7 is “highly dissatisfied”.
a. What is the independent variable?
b. What kind of variable is the independent variable?
c. What is the dependent variable?
d. What kind of variable is the dependent variable?
e. What kind of statistical test will be needed – parametric or non-parametric?
2. In the case in question 1, state the null hypothesis.
Explanation / Answer
a) Here the independent variable is the survey question that is scale at which the doctor likes the dress
b) The independent variable here is either an interval or an ordinal variable. If we cannot be sure that the intervals between each of these seven values are the same, then we would not be able to say that this is an interval variable, but we would say that it is an ordinal variable.
c) The dependent variable here is the patient satisfaction which is found using the independent variable.
d) The dependent variable is a nominal variable as we dont have measure or numerical way to measure customer satisfaction
e) This would be a non parametric statistical test.
2) The null hypothesis here would be that there is a relationship between the 2 variables.
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