Guess that stat student in group 1 (Yael, Sonam, Anthony, Jess, Bryan, Peggy)
Based on attendance trends, this student has the highest probability of being absent from Statistics class.
Anthony
what is probability
measure of how likely an event is to occur, ranging from impossible to
This type of bias happens when people choose whether or not to respond to a survey.
voluntary response bias
The mathematician's favorite place to go on vacation?
Time Squares
This value measures how confident we are that an interval contains the true parameter.
confidence level
According to the survey results, this student is most likely to use probability skills to win at poker in the future.
Yael
The probability of picking a green marble from a jar holding 3 red, 4 green, and 3 blue marbles
40%
This occurs when a sample does not accurately represent the population
bias
This number can't keep a secret because it goes on forever.
π (pi)
Increasing the sample size generally has this effect on confidence intervals.
It gets narrower
According to the survey data, this student has the highest probability of becoming a number 1 detective.
jessic the coolest
A spinner has 8 equal sections. Two sections are blue. What is the probability of landing on blue?
1/4
A researcher separates students into freshmen, sophomores, juniors, and seniors, then randomly selects students from each group. What type of sampling is this?
stratified sampling
A mathematician's favorite type of tree?
Geometry tree (with square roots
In hypothesis testing, this value measures evidence against the null hypothesis.
the p-value
According to the bar graph, this math student is ranked 3rd in height among the group.
Sonam
A bag contains 5 red candies, 4 blue candies, and 1 green candy. What is the probability of choosing blue candy?
2/5
A survey asking "Don't you agree that school lunches should be improved?" is an example of this type of bias.
response bias
Why did the statistician drown crossing a river that was only 3 feet deep on average?
Because averages can be misleading
If the p-value is 0.02 and α = 0.05, we make this decision.
reject the null hypothesis
Based on survey data about career interests, this student is most likely to use statistics regularly in their workplace.
Bryan
A family has two children; given that at least one child is a boy, it is the conditional probability that both children are boys
33.33%
A survey is sent to 500 people, but only 50 respond. The results may suffer from this type of bias.
What is nonresponse bias?
Statisticians say there are three kinds of lies: lies, damned lies, and this.
statistics
A 95% confidence interval for the proportion of students who like pizza is 52% to 68%. Based on this interval, this percentage is a reasonable estimate of the true population proportion.
any value between 52% and 68% (such as 60%)?