HLT362 Applied Statistics for Health care Professionals
Week 1 Quiz
If a study is comparing number of falls by age, age is considered what type of variable?
Interval
Ordinal
Ratio
Nominal
Validity is:
A data item, such as characteristics, numbers, properties, or quantities, that can be measured or counted.
The extent to which an idea or measurement is well-founded and an accurate representation of the real world.
A measurement level with equal distances between the points and a zero-starting point.
Raw unorganized information from which conclusions can be made.
Data is defined as:
A data item, such as characteristics, numbers, properties, or quantities, that can be measured or counted.
The extent to which an idea or measurement is well-founded and an accurate representation of the real world.
A measurement level with equal distances between the points and a zero-starting point.
Raw unorganized information from which conclusions can be made.
External and internal influences within a study that can affect the validity and reliability of outcomes is called:
Continuous variables
Demographics
Bias
Standard deviation
Level of measurement that defines the relationship between things and assigns an order or ranking to each thing is known as:
Interval
Ordinal
Ratio
Nominal
The average of the collected data is known as:
Mean
Media
Variance
Range
The subset of the population to be studied is called:
Sample
Variable
Population
Demographic
When a researcher uses a random sample of 400 to make conclusions about a larger population, this is an example of:
Descriptive statistics
Demographics
Inferential statistics
Dependent variables
A variable is considered:
A data item, such as characteristics, numbers, properties, or quantities, that can be measured or counted.
A component of mathematics that looks at gathered data.
Statistics designed to allow the researcher to infer characteristics regarding a population from sample population.
External and internal influences within a study that can affect the validity and reliability of the outcomes.
The experimental or predictor variable is an example of:
Extraneous variable
Dependent variable
Independent variable
Nominal data