Proportions
You conduct a survey and 14 out of 75 people say yes. Construct an 80% confidence interval for the number of people who say yes
(.12901, .24433) 1-PropZInt
You collect information from a random sample and find it has a mean of 25. You know that the population standard deviation is 8. What kind of interval should you use for the mean?
Z-Interval
Kentucky had 5 players drafted in the 1st round of the 2010 draft, name 2
John Wall, Demarcus Cousins, Patrick Patterson, Eric Bledsoe, Daniel Orton
Name this 2019 movie
Us
Name any artist from this 2018 song
Travis Scott, Gunna, Nav - Yosemite
You conduct a survey and 30 out of 50 people say yes. What is your p-hat?
30/50 = .6
You collect information from a random sample and find that the sample has a mean of 25 and a standard deviation of 8. What kind of interval should you use for the mean?
T-Interval
This foreign current player is a former All-Star and Most Improved Player drafted in the 2nd round in 2008 and has had this career path: Suns - Rockets - Suns - current playoff team
Goran Dragic
Name this 2019 movie
Little Women
Name the artist for this 2003 song
50 Cent
Six Kentucky players were drafted in the 2012 draft (including the top two picks), name any two
Anthony Davis, Michael Kidd-Gilchrist, Terrence Jones, Marquis Teague, Doron Lamb, Darius Miller
You collect information from a random sample of size 56 and find that the sample has a mean of 25 and a standard deviation of 8. Construct an 80% confidence interval for the mean.
(23.613, 26.387)
This current All-Star and starter in the playoffs right now was drafted by the Pistons in the 2nd round out of Texas A&M in 2012
Khris Middleton
Name this 2017 movie
Call Me By Your Name
Name the song or artist from this 2020 song
Dua Lipa - Hallucinate
Name the song or either artist for this 2006 song
Ludacris, Pharrell - Money Maker
7 players from Kentucky went to the NBA in 2015, name 3
Karl Anthony Towns, Devin Booker, Willie Cauley Stein, Trey Lyles, Andrew Harrison, Aaron Harrison, Dakari Johnson
What team is this based on the colleges and positions
Wizards
Name this 2017 movie
Lady Bird
Name the song or artist for this 2018 song
Amine - Reel it in
You conduct TWO surveys from two different populations. In one of them, 60 out of 100 people say yes. In the other, 124 out of 200 say yes. Find the 90% confidence interval for the difference between the two
(-.1184, .07839)
Name one reason why it is beneficial to use a sample to estimate about a population
Too difficult/costly/time consuming/complicated to gather information from an entire population
You construct an 80% confidence interval that is (70, 79). Make up a different interval that could be the 90% confidence interval based on the same sample (there are many possible answers)
Anything that extends out from the original interval (wider)
Name the two ways you can decrease margin of error
1. Lower confidence level
2. Increase sample size
How likely is an 80% confidence interval to fail to capture the true population value?
20% chance