Types of Samples
What population is it?
Data Distributions
Statistics
Calculations
100
The most accurate type of sample is...
Representative sample
100
Curtis creates a survey and to distribute it, he decides to call every hundredth name in the phone book and give them the survey. What population is his survey showing?
People who have their phone numbers listed in the phonebook, people who have phones.
100
The following is called a
Box and whiskers plot
100
Another word for "average"
Mean
100
What is the minimum and maximum of the following data set:
1, 5, 6, 7, 9, 11, 13, 16, 7, 5, 13, 9
Minimum: 1
Maximum: 16
200
To sample students, Mr. Williams divides the students into smaller groups and then randomly selects one of these groups to sample. What is this type of sample called?
Cluster sample
200
Dalton creates a survey and to distribute it, he decides to survey people who come to the “Vote Now” booth at the high school football game. What population is his survey showing?
Athletic supporters, people at the football game, people who are interested in the topic enough to stop at the booth.
200
The following is called a...
(picture #1)
Histogram
200
The middle number of a data set
Median
200
What is the range of the following data set:
3, 5, 7, 8, 2, 1, 5, 10, 15, 13, 11
15-1=14
300
Sammy decides to create a survey and email it to everyone at TVEMS. What type of sample is she using?
Voluntary response sample
300
Kylee creates a survey about what teacher's favorite after school activity is. To distribute it, she decides to pass it out to her favorite 7th grade teachers.
Only 7th grade teachers, only her favorite teachers only represents one school
300
The following data set is...
a. Symmetrical
b. Skewed right
c. Skewed left
(picture 2)
Symmetrical
300
The highest number in a data set minus the lowest number in the data set.
Range
300
What is the median of the following data set:
1, 5, 3, 7, 15, 19, 11, 21, 23
11
400
DAILY DOUBLE: Lydia wants to know what Netflix show is the favorite of students at TVEMS. She asks her math class what their favorite Netflix show is. What type of sample is Lydia using?
Convenience sample
400
Ben created a survey to research what the most common color of car is among people over 50 years old. He emails every parent of a 7th grader at TVEMS who is over 50 years old to collect his data. What population is his sampling?
People who have children, people who live in or around Ashville, people who have email, people who decide to respond
400
DAILY DOUBLE: The following data set is...
a. Symmetrical
b. Skewed right
c. Skewed left
(picture 3)
Skewed right
400
The number that occurs the most in a data set.
Mode
400
Find Q1 and Q3 of the following data set:
62, 63, 64, 64, 70, 72, 76, 77, 81, 81
Q1: 64
Q3: 77
500
Name all of the types of samples we have discussed today. Hint: There are 4 of them.
Representative sample, cluster sample, convenience sample, and voluntary response sample.
500
What is Miss King's dogs name?
Ollie
500
What do the stars on the box plot represent?
(picture 4)
Outliers
500
The distance between the third and first quartile marks
IQR
500
Find the IQR of the following data set:
5, 7, 8, 9, 10, 11, 12, 16, 19, 20, 21
IQR: 19-8=11