Sampling & Experiments
Interpretations
Things You May Have Forgotten
Inference (Sig Test or C.I.)
Knowledge Bowl!
100
Neither the subject nor those who measure the reponse variable know which treatment a subject received.
What is a double-blind experiment?
100
What is the typical or average distance from the mean?
Standard deviation
100
It's the acronym used to describe a distribution. And what is stands for.
S.O.C.V.
Shape
Outliers
Center
Variability.
100
In a test of significance, this is what is assumed to be true.
The Null Hypothesis or
H_0
100
Name the offense in which a driver responsible for a collision leaves the scene of the accident before providing any identification?
Hit and Run
200
When some groups in the population are left out of the process of choosing a sample
What is undercoverage?
200
What is "For every one unit increase in the explanatory variable, there is on average a 4 unit decrease in the response variable"?
Slope!
200
It is a very easy thing to forget and lose easy credit.
CONTEXT!
200
The t critical value for 99% confidence with n=80
t^⭐=2.66
200
Issues and concerns about the "Y2K bug" were most pronounced on New Year's Eve of what year?
1999
300
The population is divided into groups. Some groups are randomly selected and all individuals in the chosen groups are sampled.
What is cluster sampling?
300
What is "The data value is 3.45 standard deviations below the mean"?
A z-score of -3.45
300
It's the mistake when defining \mu .
"The true amount of chocolate chips on original chips ahoy cookies."
"MEAN"
300
It's the conclusion you make when your p-value is greater than \alpha .
Fail to Reject the null hypothesis
H_0
300
The product of any given integer and all smaller integers is called a ...
Factorial!
400
A common form of blocking for where each unit receives both treatments in a randomized order.
What is matched pairs?
400
"About 96% of the variation in height can be explain by the linear model with height."
r^2
400
It's the acronym used to describe a Scatterplot. And what it stands for....
DUFS
Direction
Unusual Features
Form
Strength
400
This is the probability of a Type 1 Error
\alpha
400
What is the name for calcified deposits on teeth?
Calculus (Tartar)
500
The effects of two variables on the response cannot be distinguished from each other.
What is confounding?
500
What is "the actual y values are typically about 40 away from the predicted y values"?
S (or standard deviation of the residuals)
500
It's the equation for the linear model between predicted height (cm) and Foot length (cm)
\hat{Height}=103.41+2.7469*(\text{footlength})
500
It's the sample data for which it is safe to use T scores.
Y Only
500
Subconjunctival hemorrhage occurs in what organ?
Eye