Quiz 1
1. When a researcher uses a random sample of 400 to make conclusions about a larger
population, this is an example of:
o Descriptive statistics
o Demographics
o Inferential statistics
o Dependent variables
2. If a study is comparing number of falls by age, age is considered what type of
variable?
o Interval
o Ordinal
o Ratio
o Nominal
3. Validity is:
o A data item, such as characteristics, numbers, properties, or quantities, that can be measured or
counted.
o The extent to which an idea or measurement is well-founded and an accurate representation of the
real world.
o A measurement level with equal distances between the points and a zero-starting point.
o Raw unorganized information from which conclusions can be made.
4. Data is defined as:
o A data item, such as characteristics, numbers, properties, or quantities, that can be measured or
counted.
o The extent to which an idea or measurement is well-founded and an accurate representation of the
real world.
o A measurement level with equal distances between the points and a zero-starting point.