Vocab
Plots
Random Things
Populations and Samples
Biased vs Unbiased(Random)
100
When information is being gathered about a group, entire group of objects, individuals, or events is called...
The Population
100
What type of plot is shown below?
According to this information, what inference can be made about paint orders at this store?
Dot Plot
Most orders made are 2 gallons or less.
100
Find the mean of this data set: 1, 4, 5, 6
What is 4
100
A beverage company wanted to see if people in the United States liked their new logo. Which choice best represents a population?
Everyone in the U.S
100
You want to know which store shoppers at the mall visit the most. You ask each 10th person as they enter the mall which store they will visit.
Random(Unbiased)
200
The part of the population that is chosen to represent the entire group is called...
A Sample
200
Find the median, lower quartile and upper quartile for this data set: 5, 10, 23, 25, 24, 8, 19, 32, 40, 16, 17
Median - 19
Lower Quartile - 10
Upper Quartile - 25
200
How many points did the Celtics beat the Warriors by yesterday?
52 points
200
A musician wanted to see what people who bought his last album thought about the songs. Which choice best represents a sample?
A selection of people who bought the album.
200
Eight citizens are asked their opinions about what trash should be collected.
Biased
300
This is number, or average of the two numbers, in the center of a set of data.
The Median
300
What is the lowest number, largest number, median, lower quartile, and upper quartile in this set of data?
Lowest Number: 11
Largest Number: 18
Median: 14
Lower Quartile:12
Upper Quartile:15
300
Find the median of this data set: 5, 5, 5, 5, 7, 7, 7, 7
What is 6
300
A gaming website wanted to find out which console its visitors owned. Which choice best represents a population?
All of the website visitors.
300
A phone-in survey is taken by a radio station to see how many listeners enjoy jazz in the morning
Biased
400
This is the median of upper half of a set of data.
Upper Quartile
400
What is the lowest number, largest number, median, lower quartile, and upper quartile in this set of data?
Lowest Number: 32
Largest Number: 38
Median: 37
Lower Quartile:35
Upper Quartile:37.5
400
13 boxes
400
Before a nation wide election, a polling place was trying to see who would win. Which choice best represents a sample?
A selection of voters of different ages
400
Each math class randomly selects two students do represent their class on an advisory panel being assembled by the principal.
Unbiased (Random)
500
This is the median of the lower half of a set of data.
Lower Quartile
500
What 5 pieces of information does a box plot allow us to see?
The least and greatest values, the lower and upper quartiles, and the median.
500
1,800 hawks
500
A toy store owner tracking how much kids spend each month on toys. Which choice best represents a population?
All of the kids who buy toys.
500
Each week a teacher randomly selects one student from each class to review homework answers with the rest of the class.
Unbiased (Random)