Unit 1
How do you find the mean of a data set?
A student surveyed her classmates on the number of pets they have. Is this a categorical or quantitative variable?
Quantitative
A patient is getting a treatment in a single blind experiment. Who all does not know what treatment the patient is getting?
The patient
What team does Mr. Gregg's brother (Ben) play for?
Gonzaga
What is the five-number summary?
Minimum, Q1, median, Q3, max
Distributions with multiple peaks in data points are known as?
Bimodal
Steve uses a random number generator to randomly select 5 out of 100 cars. What type of sample is this?
Simple random sample
Who's the coolest character in Attack on Titan?
Levi Ackerman
What is our resistant measure of spread?
IQR
A bar graph that puts data points into groups or bins is known as a?
Histogram
What is a disadvantage of a stratified random sample?
More difficult to implement.
What was Plankton's wife's name?
Karen
A company paid five employees $32000, two $60000, and the owner $280000. What is the mean, and how many employees make less than the mean?
$70000, 7
What are the 5 steps in CSOCS?
Context, shape, outliers, center, spread
Name 3 of the 4 componets of a well designed experiment.
What is control of confounding variables,
comparisons of at least two groups
random assignment
replication
What type of animal does Aang ride in Avatar: The Last Airbender?
Sky bison
Find the 5-number summary of the following data set:
2, 5, 12, 19, 4, 5, 11, 9
5NS: 2, 4.5, 7, 11.5, 19
A modified segmented bar graph where the width of a bar is proportional to the number of individuals in the corresponding category is known as a?
Mosaic graph
I am testing if playing Nicki Minaj on test days improves scores. I took the 2 highest test scorers and split them into 2 classes, then the next 2 highest scorers and assigned them to the 2 separate groups, and continued this with every 2 levels of test scorers. What type of experimental design is this?
Matched pairs
What is the world record for the men's 100m dash?
9.58 seconds