Intro to Stats
Population or Sample?
The age of every 4th person entering a department store.
sample
The hair color of women on a tennis team.
Nominal
True/False
Humans can't walk in a straight line without looking at something.
True
When the mean is higher than the median the shape of the distribution is
right skewed
Which country is wider than the moon?
Australia
This is an intense, uncontrollable fear of chickens.
Alektorophobia
The ages of students in a college statistics class.
Ratio
Experiment or Observational study?
A poll is conducted in which professional musicians are asked their ages.
Observational study
True/False
Rats laugh out loud when you tickle them.
True
True or False.
The standard deviation is resistant to outliers.
False
What is the relationship between a sample and a population?
A sample is a part of the population.
What vegetable did Boeing use to test their in flight Wi-fi?
potatoes
Project SPUD - Synthetic Personnel Using Dialectic Substitution
Potatoes reflect and absorb Wi-fi signals similarly to humans.
Experiment or Observational Study?
A researcher obtained a random sample of 100 smokers and 100 non-smokers. After interviewing all 200 participants in the study, the researcher compared the rate of depression among the smokers vs. non-smokers.
Observation
What popular food can be turned into diamonds?
Peanut Butter
Name two measures of spread.
standard deviation, range, interquartile range, variance
What is unique about the Eiffel tower in the summer?
It gets taller! The iron heats up and can be 6 inches taller due to thermal expansion.
The temperatures of 27 selected refrigerators.
Interval
Which animal can hold their breath longer than a dolphin?
Sloth
Is the mode nonresistant to outliers?
Yes
Headphones/Earbuds can increase the bacteria in your ears by __________ times.
700 times, eeeeeeew
Quantitative or Qualitative
The colors of automobiles in the student parking lot.
Qualitative
Movie Ratings...two thumbs up, one thumb up, one thumb down, etc.
Oridinal
What is the difference between an experiment and an observational study?
An experiment has treatment imposed on the treatment group and no treatment for a control group.
What is the national animal of Scotland?
Unicorn, Celtic mythology connects this animal with both chivalry and dominance.
Congratulations!
You just earned $1000 for choosing this questions.
If you say false, I will FAIL you.