Sample
Part of a group
What is sample?
Can't be contacted or refuses to participate
What is nonresponse?
The answer is...because 7 ate 9
What is why was 6 afraid of 7?
What you keep the same
What is control variable?
This type of data consists of names or labels.
What is categorical data?
Easy to reach and could lead to bias.
What is convenience sample?
People who choose to be in the sample by responding
What is voluntary response?
Based on data that vary
What is statistical question?
Control or confounding are types of this.
What is variable?
True or False: zip codes are considered to be quantitative data
What is False?
People selected by using a chance process
What is random sample?
Accidentally affects the results
What is confounding variable?
Answered with a single value
What is non-statistical question?
No treatment. Just collect data
What is observational study?
This type of table shows how many, or "counts"
What is a frequency table?
Entire group
What is population?
Consistent pattern of inaccurate responses
What is response bias?
Very likely to underestimate or overestimate
What is bias?
Condition you apply to the subject
What is treatment?
This type of variable measures the outcome of a study
What is response variable?
You have this when some people are less likely to be chosen
What is undercoverage?
Strong results not by chance
What is statistical significance?
When data is collected from the entire population.
What is census?
Impose a treatment.
What is experiment?
When describing an association between two variables, you should give the form, tell if there are outliers and these two other descriptions
What is strength and direction?