Share Statistics Vocabulary Quiz 2
Save to Folder
What is a random sample?
All the answers
Every member of a population has equal chance of inclusion
A subset of a larger population
Used to make statistical inferences about a population
What is a sample?
A subset of the population selected for analysis
Must be randomly selected
Only applicable to Qualitative Studies
Must be over 100 observations for Quant studies
What is a population?
A subset of students
The entire group of individuals, items or data points to whi
None of the above
A particular set of data points
What is a Hypothesis?
Predictions that can be tested
All of the answers
A testable and falsifiable statement
Uses in scientific research
True or False: The Null Hypothesis is a statement there is no significant difference or effect in the research observations.
True
What is the Alternative Hypothesis?
All of the answers
Contradicts Null Hypothesis - a difference exists
What researchers aim to support in their research
Represented by H1 or Ha
True or False: A dependent variable is the outcome researchers want to understand.
True
What is the name of the variable controlled by the researcher?
Continuous Variable
Independent Variable
Confounding Variable
Discreet Variable
What is the value that appears the most in a data set?
Median
Mean
Mode
Variance
What is the average of a data set?
Mean
Mode
standard deviation
Median
The middle number in an ordered data set is:
Median
Mode
Mean
Variance
What is the difference between the maximum and the minimum in a set of numbers?
None of the above
Range
Variance
Standard Deviation
What is a bell curve?
A graphical depiction of a normal distribution
A qualitative technique
A graphical depiction of a non-normal distribution
An ethnographic picture
What is an example of a continuous data variable?
Age
All the answers
Time
Temperature
What is an interval level of measurement?
Measurement where values between variables has meaning
Variable Data can only be ranked
Variable Data can only be categorized
None of the above
True or False: Distribution is how variables are spread or dispersed across a range.
True
