Statistical Questions
Is "What is your favorite color?" a statistical question?
Yes
The entire group you want to know about is called the...
Population
Eye color is what type of data?
Categorical
Best graph for parts of a whole?
Pie chart
Picking people who are easy to reach is called...
Convenience sampling
What is an example of a non-statistical question?
Any single answer question
Sample
Height, weight, and test scores are examples of...
Quantitative data
Best graph to compare categories like favorite colors?
Bar graph
Giving every person an equal chance is...
Random sampling
Why is "How many books do 6th graders read per month?" statistical?
It requires collecting data from a group
Surveying all students in your school = surveying the...
Population
Number of siblings is...
Quantitative
Best graph to show change in temperature over a week?
Line graph
Picking every 5th person on a list is...
Systematic sampling
Give an example of a statistical question about school lunches.
Ex. What is the most popular lunch item among students?
Why do we often use a sample instead of the whole population?
It is faster, cheaper, and easier.
Favorite sports team is...
Categorical
A histogram is used for...
Quantitative data in intervals
When the sample doesn't represent the population, it causes...
Sampling bias
True or false: A statistical question usually has variability in the answers.
True
If you survey only your 3 best friends about favorite music, this is a...
Temperature measured in degrees is...
Quantitative
Which graph is usually NOT good for categorical data?
Line graph
Questions that encourage a certain answer create...
Response bias