Population
Predictions
Data 1
Data 2
100
Austin wanted to find out which band was most popular among the middle school students. Where should he conduct his survey to get the most unbiased survey?
A. at a store where a member of a hip-hop band is giving autographs
B. at the next school board meeting
C. in the school cafeteria
D. at a school dance where a country band is playing
What is C?
100
A sample showed that 70% of students would select roller coasters as their favorite ride at an amusement park. Out of 5,000 students, how many students would you predict to select roller coasters as their favorite ride?
What is 3,500 students?
100
What is 8 tractors per month ?
100
What is B?
200
Shannon and Abbie will collect data to find out what the seventh-grade students like to eat. Which group should Shannon and Abbie survey to collect the best data?
A. Some of their friends.
B. 10 random people from each seventh grade class.
C. All of the students in football.
D. The first 30 students through the lunch line.
What is B?
200
Bounce Club surveyed a random sample of 55 of their members about their favorite type of music. Of the members surveyed, 22 said that jazz is their favorite type of music. There are 422 Bounce Club members. Based on the data, what is the most reasonable estimate for the number of Bounce Club members whose favorite type of music is jazz music?
What is about 169 members?
200
What is C?
200
1. What is greater than,
2. What is less than
300
True or False:
If the population to survey is all students in a school, then the sample is unbiased if from every fifth student who rides the bus.
What is false?
300
What is 156 lizards?
300
What is A?
300
What is True, False, False, True
400
True or False:
If the population is everyone in the room, then the sample can be unbiased by having everyone toss a coin, and those that result in heads are the sample
What is True
400
A company manufactures smart watches. In August, a random sample of 250 smart watches was inspected, and 7 watches were found to be defective. The company manufactured 6,000 smart watches in August. Based on the results from the sample, about how many watches were expected to be defective?
What is 168 watches?
400
What is B?
400
What is D?
500
What is A and E?
500
Based on the data, about how many employees who use the bus for their most common form of transportation?
What is 88 employees?
500
What is A and C?
500
What is B?