Survey Sampling
Home phone surveys are _____ bias
What is non-response?
___ is explanatory variable & ___ is response variable
What are x & y?
What are 2 types of Observational Studies?
The who of our data
What are cases?
Singer of "Call Me Maybe"
Carly Rae Jepson
Numerical Summary of Proportions
What is a Parameter?
Form, strength, direction, outliers
What are descriptors for linear regression?
Observational studies can only make _____ claims?
Quantitative variable
When values are numeric?
This musical won the Pulitzer Prize for Drama
What is Hamilton?
Population is divided into smaller, homogenous groups and randomly selected from there
What is a stratified random sample?
ŷ = b0 + b1x
What is the formula for linear regression?
Researchers take ____ role in experiments
What is an active role?
Who and what
What are the 2 most important for context out of the 5 "W"s
This film gave Leonardo DiCaprio his first Oscar
What is the Revenant?
Choose every 10th person from the list is _____ sampling
What is systematic sampling?
Curved residual plot
When is a linear model not appropriate?
Factors are equal to ____ variables
What are explanatory variables?
Understanding data and making informed decisions
What are statistics about?
Apple introduced this in the iOs 5 update that changed texting
A principal orders t-shirts and wants to check some of them to make sure they're printed properly. She randomly selects 2 of the 10 boxes and checks every shirt in those 2 boxes.
What is a cluster sample?
e = y - ŷ
What is the residual plot formula?
Control, randomization, replication, blocking
What are the 4 principles of experimental design?
Eye colour
What was the data about in the very first lecture?
The spouse of Katy Perry from 2010 - 2012
Who is Russel Brand?