Common Ms. Pearlman Catchphrases
History:
Who was the first man to land on the moon?
Neil Armstrong (alongside Buzz Aldrin)
General:
Name the only continent in which spiders and snakes don't exist?
Antarctica
Flipping a fair coin and getting “heads” once.
What is no?
p-value=0.5
The most frequently occurring value in a data set.
What is mode?
A survey of 200 high-schoolers finds 118 prefer texting over calling. You want to test whether more than half of all teens prefer texting.
What is a one-proportion z-test?
Trivia:
Who won the Great Emu War in Australia
The Emu's won
General:
In a website browser address bar, what does “www” stand for?
World Wide Web
Two students in a class of 25 sharing the same birthday.
What is no?
p-value=0.57
A sample statistic used to guess the population mean.
What is x-bar?
Random samples of 50 students from City A and 50 from City B give mean commute times of 28 min and 24 min. You want to know if the mean commutes differ between the two cities.
What is a two-sample t-test for the difference of means?
History:
What was the name of the first president of the USA?
George Washington
General:
In a bingo game, which number is represented by the phrase “two little ducks”?
22
Finding a genuine four-leaf clover on your first try.
What is yes?
p-value=0.0002
This graph plots points to show the relationship between two quantitative variables.
What is a scatterplot?
You sort 100 M&M’s by color and compare the counts to the company’s claimed color percentages to see if the mix is off.
What is a chi-square goodness-of-fit test?
History:
Which famous artist painted the ceiling of the Sistine Chapel?
Answer:
Michelangelo
General:
What is the name of the longest river in South America?
Your phone battery dying the minute you forget your charger—again.
What is no?
p-value=~.10
The letter that stands for the correlation coefficient.
What is r?
A table records students’ preferred music genre (Pop, Rock, Classical) and their current mood (Happy, Neutral, Stressed). You check if music preference is related to mood.
What is a chi-square test of independence (association)?
History:
What was the name of the Ukrainian nuclear power plant that was the site of a nuclear disaster in April 1986?
Chernobyl
General :
A flamboyance is a group of what animals?
Flamingos
Being struck by lightning at some point in your lifetime (U.S. average)
What is yes?
p-value=0.00006
In the phrase “95% confidence interval,” the 95% refers to this long-run success rate of the method.
What is confidence level?
For 30 classmates you record hours studied and exam scores. You test whether study time has a significant linear relationship with score (non-zero slope).
What is a t-test for the slope in a least-squares regression