
Statistics
Quiz
•
Mathematics
•
7th Grade
•
Hard
+11
Standards-aligned
Brandon denning
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82 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Zara wants to know how teachers in the local school district feel about extending the school day to 30 minutes longer. Which method will produce a representative sample and therefore provide valid inference?
Survey all the teachers who have publicly protested or supported the proposal.
Survey the first 30 teachers who arrive at Zara's school in the morning.
Survey a random sample of 30 teachers within the school district.
Survey a random sample of 30 teachers and parents of kids within the district.
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Martin wants to determine the general attitude toward math of the students in his school. Which of the following methods will produce a random sample?
Survey 6 students from each of Mr. Lewis' math classes.
Survey all of the students in Martin's 1st period math class.
Survey every tenth student who enters the cafeteria at lunchtime.
Survey every fourth student in the list of honors students.
Tags
CCSS.HSS.IC.B.3
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Edwardo is conducting a survey at his middle school to find out which sport students most enjoy playing. Which method will produce a random sample that gives the most objective idea of students' overall favorite sport?
Survey every 3rd student leaving football practice.
Survey 30 students at the basketball game Wednesday night.
Survey every 4th student in band.
Survey every 4th student entering the school building Tuesday morning.
Tags
CCSS.HSS.IC.B.3
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
You want to estimate the number of students in a high school who ride the school bus. Which sample is best?
4 students in the hallway
All students in the marching band
50 seniors at random
100 students at random during lunch
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
I survey a senior citizen center to gain information about the population of NE Oklahoma. Which of the following best describes my population sample?
Biased, sample is randomly taken or representative of population.
Biased, sample is not randomly taken or representative of population.
Representative, sample is randomly taken & representative of population.
Representative, sample is not randomly taken or biased in terms the of population.
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
I randomly surveyed 10 students from every area school to get information about student interests. Which statement best describes my sample?
Biased, sample is not randomly taken or representative of the population.
Biased, sample is randomly taken & representative of the population.
Representative, sample is randomly taken & representative of the population.
Representative, sample is not randomly taken or representative of the population.
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
I surveyed 100 people at a grocery store by selecting every 3rd person that entered, does this sample represent the local population?
Yes, it is random and unbiased.
Yes, it is random and biased.
No, while it is random, it is also biased.
No, while it is random, it is also unbiased.
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
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