Healthcare Stats Final Exam AND ANSWERS.

_________ _________ must relate to the data that will be collected by the researcher. - correct answers--Research questions Every study has ________, ________, and ________, all of which must be stated explicitly. - correct answers--Assumptions, limitations, and delimitations The ______ and ___________ are characteristics of the populations and sample respectively - correct answers--Parameter (populations), statistic (sample) Statistics is a branch of science that deals with ________, ________, _______ data pertaining to research studies. - correct answers--Collecting, organizing, interpreting The descriptive statistics include _________, __________, and measures of _________ __________. - correct answers--Tables, graphs, data summary The four types of measurement scales for variance are: - correct answers--Nominal, ordinal, interval, ratio 4. Sometimes, nominal variables could be _______ or __________ - correct answers--Categorical, qualitative Which of the following is not true about frequency tables? - correct answers--Shows the type of skewness for the distribution The histogram is appropriate graph for ________, __________, and __________ data. - correct answers--Interval, ratio, ordinal Which is not a measure of variability? - correct answers--Mean The polygon is appropriate for _________ or _________ variables - correct answers--Interval, ratio