Sampling & Experiments
Interpretations
Important Things You May Have Forgotten
Inference (Sig Test or C.I.)
PotLuck!
100
Neither the subject nor those who measure the reponse variable know which treatment a subject received.
What is a double-blind experiment?
100

standard deviation

What is the typical or average distance from the mean?

100

How to identify outliers for single variable quantitative data.

Be specific!

What is Q1 - 1.5(IQR) and Q3 + 1.5(IQR)?

100

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
The slope in the least-square regression line, y = 15 - 4x
What is "For every one unit increase in the explanatory variable, there is on average a 4 unit decrease in the reponse variable"?
200
The expected value of a discrete random variable
What is the mean of the random variable found by summing the products of the values of x and their repsective probabilities?
200

P(Type 1 Error)

\alpha

200

The product of any given integer and all smaller integers is called a ...

Factorial!

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
A z-score of -3.45
What is "The data value is 3.45 standard deviations below the mean"?
300

How to determine if two events, A and B, are independent

What is P(B|A) = P(B)?

300

When you're p-value is greater than 

\alpha

Fail to Reject the null hypothesis

H_0

300

Solve this inequality.  

2x + 5 < 7

x<1

400
A common form of blocking for comparing just two treatments.
What is matched pairs?
400

r^2=0.66

What is "about 66% of the variation in y can be accounted for by the least squares regression with x."

400

The standard deviation of the difference between two random variables.

What is the square root of the sum of the variances of the two random variables?

\sigma_{X-Y}=sqrt{\sigma_{X}^2+\sigma_{Y}^2}

400

The t critical value for 99% confidence with n=80

t^⭐=2.66

400

Subconjunctival hemorrhage occurs in what organ?

Eye

500
The effects of two variables on the response cannot be distinguished from each other.
What is confounding?
500

s=40

What is "the actual y values are typically about 40 away from the predicted y values"?

500

actual y - predicted y

What is a residual?

500

What "tools" are unlocked when large counts is met?

To verify that Z or T scores can be used.

500

What is the name for calcified deposits on teeth?

Calculus (Tartar)