Data
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
Variables that are not included in an analysis but may affect the variables of interest
Confounding/lurking variables
How many chapters are in our OnRamps Stats course?
What is 8?
Data in its original form
Raw Data
The type of variables used in a Likert scale
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
Volunteer bias
What is the difference between an OnRamps course and a Dual Credit course you take in high school?
Answers will vary - dual enrollment vs. dual credit
Give an example of raw data
Answers will vary
Type of data representing year of birth
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 number that describes a population
Parameter
Are you allowed to use your own notes on the Chapter TESTS?
No, you are not.
Name a way raw data can be transformed into a statistic
Counting, ordering, or finding the average
Explain the difference between nominal and ordinal data
Nominal data cannot be ordered in a linear way, ordinal data can be ordered in a obvious, linear way
A number representing a sample
Statistic
A method of sampling or analysis data that causes distorted results or flawed inferencing
Bias
What is considered a passing grade on the College side of CANVAS?
60
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
The natural variation from sample to sample that happens by chance
Sampling error
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
How many RStudio Lab EXAMS are there through the year?
What is three?