Study that involves the collection, organization, description, analysis, and interpretation of data
Statistics
Variables that are typically integers representing a count of objects or abstract amounts
Discrete (variables)
Type of sample that involves a newspaper, online website, or standing at the exit of the lunchroom
Convenience sample
A survey asks a political question that attempts to sway people's opinion while reading. Name the type of bias present in this survey.
Questionnaire/interviewer bias, also known as leading question bias.
Type of Response Bias
This letter does not appear in any U.S. state name.
Data in its original form
Raw Data
The type of variables used represents a sequence of some kind.
Ordinal (variables)
Type of sample that involves separating population into clusters and selecting random members from each cluster
Stratified random sample
Typical type of bias that occurs in an internet survey or phone survey.
Voluntary response bias
What year did Eastwood High school open?
1961
Give an example of raw data from our data collection from our first data activity.
Celebrity Ages
Type of data representing the year of birth of all YISD students.
Discrete
The type of sample that is the ideal, where each member of the population has an equal likelihood of being selected
Simple random sample
A survey is given to 20 seniors assigned to fill out a survey, but only 15 fill it out. Name the type of bias present.
Nonresponse bias
What is the first step related to your college applications that you should be thinking about right now?
Your recommendation letters. Start talking to teachers and coaches NOW!
Name a way raw data can be transformed into a statistic
Counting, ordering, or finding Mean, Median or Mode.
Explain the difference between nominal and ordinal data
Nominal data cannot be ordered in a specific way; ordinal data can be ordered in an obvious, usually linear way
You survey 50 seniors asking about what theme they'd like for prom this year. Explain the difference between parameter of interest and statistic with this example.
Parameter of interest = proportion of whole senior population that want a particular theme
Statistic = proportion of sample of 50 seniors who want a particular theme
A survey is given to a sample asking what about their favorite type of music, but the options don't include some types of music or an 'other' category. Name the type of bias present.
Response Bias, also known as Instrument bias or Questioning Bias
What is the name of the lead singer of Cold Play?
Chris Martin
An attempt to make a prediction based on the data we collect and analyze
Inference
Both ordinal and discrete data can be ordered with numbers. Name the difference between these two types of data
Discrete data represents objects that have been counted (Numeric), ordinal data numbers are just assigned and don't represent counts (Categorical)
The natural variation from sample to sample that happens by chance, not on purpose
Sampling error
A random survey of seniors attending a Eastwood High School football game is done during half-time. Everyone requested responds. The surveyor wants to make a claim about the entire senior class. Name the type of bias present.
Over-Coverage bias (of seniors who attend athletic events). Also known as Over-Representation.
Under-Coverage bias( does not include seniors not at the game or not in the stands)
Who is the mayor of El Paso? (Full name for credit)
Renard Johnson