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Experimental Design
GRAPHIC
Material
Sh....It's Confidential!
Exactly what are you inferring??!?
Famous Phrases
100
The process by which the variable "gender" is controlled by grouping all the men together and all the women in a separate group
What is BLOCKING
100
A graphing method for small data sets where one line might be 2 | 1126
What is a stem and leaf plot?
100
z*
What is the critical value?
100
The hypothesis that there is no difference between the statistic and the predicted parameter.
What is the null hypothesis?
100
The oven between Q1 and Q3
What is the interquartile range?
200
The three main components of experimental design.
What are control, replication and randomization?
200
A graph that shows the 5-number summary.
What is a box plot (or box and whisker plot)?
200
z* multiplied by sigma/√n
What is the margin of error?
200
The main cause for rejecting the null hypothesis.
What is a low p-value?
200
The proportion of your sample with soggy caps?
What is p-hat?
300
The act of measuring an entire population
What is a census?
300
A family of distributions used for analyzing categorical data---it is always skewed right.
What is a X² distribution?
300
A confidence interval always has this many tails.
What is 2?
300
When you do not reject the null hypothesis, but you should have.
What is a type II error?
300
A graphic display for the distribution of a categorical variable, also used to wrap presents.
What is a ribbon graph?
400
When neither the subject nor the evaluator knows if a treatment is being administered
What is double blind?
400
The bell shaped curve centered at 0 with a standard deviation of 1.
What is a STANDARD normal distribution?
400
n - 1
What are degrees of freedom for a t-distribution?
400
When an inference procedure requires a condition, but you don't know if that condition is present.
What is an assumption?
400
The family of distributions that model the number of tea leaves per bag in 15 different varieties of tea.
What is a t-distribution?
500
Any aspect of the design or implementation that favors a particular outcome.
What is bias?
500
A scatterplot that compares the distribution of a variable x to its corresponding z-score.
What is a normal probability plot?
500
It happens to the confidence interval when you increase the sample size.
What is shrink? (or narrows)
500
The inference procedure for determining if a dice is fair or not.
What is a X² test for goodness of fit?
500
Of all statistics and parameters together, most people agree this one is the cruelest.
What is the mean?