Abracadabra
On the review Do #3ABCD
A) Med A and Med B
B) 50 cartons of rats
C) medicine given
D) Severity of disease (mild, moderate, severe)
Do #8 AB
Observational Study
He can only infer his results to the people he witnessed eating the cookies (NOT all cookie eaters)
Mr. Wyss determined that students that hit the sea lions is associated with sleeping better at night. Which of these statements sounds correct?
A) If you hit the sea lions you will sleep better
B) Hitting the sea lions tends to allow you to sleep better
C) If you want to sleep better, hit the sea lions, this results in better sleep
B is correct
From the 80s: Who sang...
A) separate ways & don't stop believin?
B) what movie in the 80s had a Maverick and an Iceman?
A) Journey
B) Top Gun
How many golf balls fit in a 5 gallon bucket if they are packed in there? This is the size of a typical Home Depot bucket, it's almost 2 ft tall.
Your answer must be within 50 of the correct answer
320
Do #3E
name each carton of rats a different name, write all the names on index cards and mix the cards in a hat. Then, draw 25 cards with no replacement. Assign those 25 cartons of rats medicine A and the other 25 cartons get medicine B. Compare severity of the disease at the end of the experiment (between the two medicine groups).
How would you define bias in a sample?
bias means that the sample favors one outcome over another
bias leads to an over or underestimate of the value you are seeking
Two basketball coaches, one very strict (Gino) and one pretty chill (Bill). The coaches can play different defenses, man to man or zone. So, all the players are divided up randomly into coach Gino -man defense , Gino - zone, Bill -man, or Bill -zone. What are the experimental units? What are the factors?
Experimental units - the basketball players
Factors - the defenses and the coaches
Who sang...
1. Hey Jude, Yesterday, I am a Walrus?
2. Thunderstruck, Back in Black, Shoot to Thrill?
1. The Beatles
2. AC/DC
A) What's the basic difference between fusion and fission?
B) Which one produces more energy, nuclear fusion or nuclear fission?
A) Fusion is putting atoms together into a heavier atom and Fission is splitting atoms into smaller pieces.
B) Nuclear Fusion - about 4 times more energy
Do #4 AB
A) Experiment because there are treatments being administered
B) To all students at this public university
True or False.
A) An SRS means that every group of n individuals has an equal chance of being selected?
B) A cluster sample is taking a few groups of trees and sampling all of those diverse trees in those groups
True
True
When we do randomization in an experiment (random assignment of treatments), what does it mainly accomplish between the treatment groups?
It creates treatment groups that are roughly equivalent to each other.
They are similar groups
So that the only difference between them is the treatment that they got
1. Which trilogy is the best, according to Mr. Wyss?
Back to the Future, Indiana Jones (the first 3 only), The Equalizer, Lord of the Rings
2. Which of these trilogy has The Ark of the Covenant in it?
1. Lord of the Rings
2. Indiana Jones
1. Which Disney princess has green eyes?
Actually there are 2...just get one right but you can guess 2.
2. In what Disney movie does a prince transform into an animal? There are two, name one...
1. Rapunzel - Tangled , Esmeralda - The Hunchback of Notre Dame
2. Beauty and the Beast - the Beast Prince Adam , The Princess and the Frog Prince Naveen
Do #4 C
Seeing someone pick up a book causes someone to want to help more
An experiment with 20 volunteers is done by taking the two highest IQ people and randomly assign them with two different memorization methods, then take the next two highest IQ people, and then the next two, etc...This is an example of what experimental design?
Matched Pairs Design
Toby sent out an optional questionnaire to staff in the upper school about whether having middle school students over in front of Levi's Locker in the mornings is a good idea. What is true about how the bias will affect the results of her survey?
The staff that respond will most likely be staff that don't want middle schoolers over in the upper school, so the results will probably overestimate the dislike of having middle schoolers over. For example, it may come out that 80% don't want middle school over when it's really under 80%.
What is the movie called...
A. The new hunger games movie is called?
B. The new Johnny Depp Christmas movie is called?
A. Sunrise at the Reaping
B. Ebenezer
1. Which golf tournament is held at Augusta National Golf Club?
2. What country is the Old Course of St. Andrews in?
1. The Masters
2. Scotland
Do #4 E
2/30 is 6.7%, which is above 5% for statistically significant.
Not stat. sig. He doesn't have convincing evidence that seeing people help first causes others to help others.
An experiment with 20 volunteers is done by taking the two highest IQ people and randomly assign them with two different memorization methods, then take the next two highest IQ people, and then the next two, etc...What can we conclude about the memorization methods? Who can we conclude this for?
We can conclude that the memorization method causes a person to memorize better, but we can only infer this for these 20 volunteers.
A)Larry asks students whether they agree, disagree, or strongly disagree with the dress code at school. What's wrong with this way to ask the question?
B) Cassidy gets 20 of the surveys back, he sent out 30. So, he has non-response bias. He then gets 10 other responses, does that fix the non-response bias?
A) not balanced, 1 way to agree but 2 ways to disagree
B) No, the 20 that responded may have strong opinions and the 10 that didn't may have a different opinion. The 10 replaced don't represent the 10 that didn't reply in the first place.
Which movie(s) involve football?
Invincible, The Natural, Remember the Titans
Rudy, Moneyball, The Waterboy , Miracle , Field of
Dreams, Happy Gilmore. There are 4 listed here.
Invincible
Remember the Titans
Rudy
The Waterboy
1. How many laps make up the Monaco Grand Prix? it's a number between 1 and 100...(if you're within 10 I'll give it to you)
2. What type of car race was near the White House this year? Formula One, Nascar, or Indy Car?
1. 78
2. Indy Car