Statistic Alliterations
Formula Mastery
Guess that Statistic
Statistics in Media
Distributions and Shape
100
Three different measures of center
Mean, median and mode
100
The formula for the standard deviation of a sampling distribution of sample means
sigma/sqrt(n)
100
According to the Pew Research center, this is the proportion of Black adults aged 25 and older that have earned at least a bachelor's degree in 2024
27.7% (up from 14.5% in 2000)
100
A non-resistant measure of center
and
A movie released in 2000 that features a group superheroes who are mutants that possess superpowers
X-Mean
100
The shape of the distribution below:
Uniform Distribution
200
A list of all possible outcomes of a random process
Sample Space
200
The notation for the probability of Event A or Event B occurring
P(AcupB)
200
According to a Pew Research Center study, this is the proportion of Democrats who say they trust the federal government just about always or most of the time in the current day
9%
200
The shape of non-symmetric distributions
and
A hit Netflix series that aired for 5 seasons in which the characters uncover the mystery of the "Upside Down"
Skewed Things
200
The name of a distribution where there is a fixed number of trials and a constant, independent probability for each trial and each trial is either a success or failure
Binomial Distribution
300
A value that ranges from -1 to 1 that indicates the strength and direction of a two-variable relationship
Correlation Coefficient (r)
300
Formula for the mean of a sampling distribution of the difference of sample proportions
mu_(hatp_1-hatp_2)=p_1-p_2
300
According to a Pew Research Center study in 2024, this is the mean age that Americans say is the ideal age to buy a first house
28.8 years (The real median age of a first time homebuyer in the US is now a record-high 40 years old)
300
An association between two-variables that is not necessarily casual
and
In this 2003 movie, the character played by Bill Murray has a midlife crisis while in Tokyo
Lost in Correlation
300
The shape of a distribution that has more than 2 peaks
Multimodal
400
A way to collect data in which the population is separated into groups of individuals who share characteristics and then selects a SRS from each group
Stratified sample
400
The formula for calculating a z-score
z=(x-mu)/sigma or z = (statistic-parameter)/("standard deviation")
400
According to a Pew Research Center study in 2023, this is the proportion of Americans who report that they always tip when getting food delivered
59%
400
Numbers that describe some characteristic of a sample
and
A 2009 rom-com about unrequited love featuring Zooey Deschanel where the main characters meet working at a company that writes greeting cards
500 Days of Statistics
400
The radii of golf balls manufactured by a certain company have a skewed left distribution. Many samples of size 45 are taken from the population and a mean radius is calculated for each sample. What is the shape of the sampling distribution of sample means and why?
Approximately normal
CLT (Central Limit Theorem)
n>=30
500
When the observed results are too unusual to be explained by chance alone
(or when p<.05)
Statistically Significant
500
Formula for the expected value of a discrete random variable
sum_(i=1)^np(x_i)*x_i
500
In October of 2021, the median US home sale price was:
$408,100
500
Something that is administered in a experiment that has no active ingredient
and
A Quentin Tarantino movie that has a famous opening scene in which two characters discuss what the Big Mac is called in France
Placebo Fiction
500
How big would n have to be in order for the shape of a sampling distribution of sample proportions with p= .04 to be considered approximately normal.
n=250