Unit 1
Graphs
Graphs
This type of graph displays individual data values as dots above a number line.
What is a dotplot?
The average of a data set is also called the...
What is the mean?
Every member of the population has an equal chance of being selected
What is a Simple Random Sample?
What is the placebo effect?
What is a fake treatment (placebo)
Favorite Drink
What is Diet Coke
You’re looking at a boxplot. If the median is closer to the bottom of the box, what can you say about the data's distribution?
What is left-skewed or negatively skewed?
Which is resistant to outliers: the mean or the median?
What is the median?
Name one way that a cluster sample is the same from a stratified random sample.
What is the population split into groups
What is a matched pairs design?
What is Subjects paired into groups(of 2) and then randomly assigned a treatment.
Favorite Person
What is his wife
A histogram shows most values on the left with a tail on the right. What is the shape of the distribution?
What is right-skewed?
Range is calculated by subtracting the...
What is the minimum from the maximum?
What is a potential problem with using a convenience sample?
What is potential bias and non-representative responses?
When is the results of the experiment statistically significant.
What is results less than 5%.
Favorite Movie
What is Good Will Hunting
In a boxplot, what do the “whiskers” represent?
What are the minimum and maximum values?
What is the name of the value that appears most often in a data set?
What is the mode?
Name which sampling method is being used?
A researcher wants to study student opinions about online learning at a high school that has 1,000 students. The school is divided into four grade levels: 9th, 10th, 11th, and 12th grades, with 250 students in each grade. The researcher uses an SRS for each grade level.
What is Stratified Random Sample
What are the four things needed for a well designed experiment?
What is Comparison, Random Assignment, Replication, and Control
Favorite Holiday
What is Halloween
You're looking at a bar graph showing favorite school lunch items by student grade level. If the bars are not touching and represent categories like "Pizza," "Tacos," and "Salad," what type of data is being displayed?
What is categorical data?
You have a symmetrical distribution. Which two measures of center will be the same?
What are the mean and the median?
What sampling method is being used?
A company wants to survey its 1,000 employees about job satisfaction. The employees are listed alphabetically. The manager decides to randomly select a starting point and then survey every 20th employee on the list.
What is Systematic Random Sample
Identify the treatment
The athletic trainer for the high school soccer team is planning a study to investigate the comfortability of a new shin guard compared to the standard shin guard.
What is the new shin guards and the standard shin guard.
Dream Job
What is a Rock star