Probability & Experimental Design
Two events that have no outcomes in common.
What are disjoint events or mutually exclusive events?
A local TV news station has a daily poll that they ask their viewers. Every day at 5:00 PM they put up a QR code on the screen and anyone who is watching and would like to respond may do so and answer the question.
What is voluntary response bias?
The three things you should describe when talking about a quantitative distribution (dot plot, historgram, etc.)
What is shape, center, spread?
Data that provide groupings that may have no logical order.
What is catergorical data?
The number of Rocky Movies.
What is 9
At least 2 of the 4 principles of Experimental Design
What are control, randomization, replication, and blocking?
You roll a dice and want to count the number of times you roll an even number and the number of times you roll and odd number. After 30 trials, you roll an even number 8 times and an odd number 22 times. The ___ condition is NOT satisfied.
What is large sample size or the success/failure condition?
The three things you should talk about when describing a scatterplot.
What is form, direction, strength?
Stem plots, histograms, box plots, bar graphs, dot plots and scatter plots can be used to display this kind of data.
What is quantitative data?
The number of Star Wars movies
What is 12
P(A)=P(A|B)
What are independent events?
A television reporter wants to determine if Maryland residents would be interested in renovating Camden Yards, Baltimore's baseball field. The reporter asks baseball game attendees at Camden Yards if they support the idea.
What is convinience samping?
You have a normal distribution, this many standard deviations is what 95% of the values lie within.
What are two standard deviations?
Range of the middle 50% of the values (Q3- Qi 75th percentile - 25th percentile).
What is the Inter Quartile Range
The number of Pirates of the Caribbean Movies.
What is 5
The type of probability concerned with finding the probability of the FIRST success.
What is geometric probability?
A survey was sent out on a new phone app to try to get information about all people in the United States. However, mainly younger Americans (aged 14-30) have this app on their phone. This is an example of ___.
What is nonresponse bias?
In the equation E(X) = ∑(x)*P(x), this is what E(x) stands for.
What is expected value?
How can you find whether or not a data point is an outlier mathematically?
What is
> Q3 + 1.5(IQR)
< Q1 - 1.5(IQR)
The current number of Marvel Cinematic Universe movies.
What is 33
What is 13.5%?
What is random?
SD(X) = 3
SD(Y) = 5
To 3 decimal places this is SD(X-Y)= ?
(Hint: variances add)
What is square root [(3)^2+(5)^2] = 5.831
What are people with alektorophobia afraid of?
What is chicken?
The number of James Bond movies.
What is 27