MATH STATISTICS QUIZ 2026/2027 | STATISTICS STUDY
GUIDE, PRACTICE QUESTIONS & ANSWERS
Every fifth person boarding a plane is searched thoroughly. - Correct answer✅✅ systematic
At a local community College, five math classes are randomly selected out of 20 and all of the students
from each class are interviewed. - Correct answer✅✅ cluster
A researcher randomly selects and interviews fifty male and fifty female teachers. - Correct
answer✅✅ stratified
A researcher for an airline interviews all of the passengers on five randomly selected fights. - Correct
answer✅✅ cluster
Based on 12,500 responses from 42,000 surveys sent to its alumni, a major university estimated that the
annual salary of its alumni was 92,500. - Correct answer✅✅ voluntary
A community college student interviews the first 100 students to enter the building to determine the
percentage of students that own a car. - Correct answer✅✅ convenience
A market researcher randomly selects 200 drivers under 35 years of age and 100 drivers over 35 years of
age. - Correct answer✅✅ stratified
All of the teachers from 85 randomly selected nation's middle schools were interviewed. - Correct
answer✅✅ cluster
To avoid working late, the quality control manager inspects the last 10 items produced that day. -
Correct answer✅✅ convenience
The name of 70 contestants are written on 70 cards, the cards are placed in a bag, and three names are
picked from the bag. - Correct answer✅✅ simple random
GUIDE, PRACTICE QUESTIONS & ANSWERS
Every fifth person boarding a plane is searched thoroughly. - Correct answer✅✅ systematic
At a local community College, five math classes are randomly selected out of 20 and all of the students
from each class are interviewed. - Correct answer✅✅ cluster
A researcher randomly selects and interviews fifty male and fifty female teachers. - Correct
answer✅✅ stratified
A researcher for an airline interviews all of the passengers on five randomly selected fights. - Correct
answer✅✅ cluster
Based on 12,500 responses from 42,000 surveys sent to its alumni, a major university estimated that the
annual salary of its alumni was 92,500. - Correct answer✅✅ voluntary
A community college student interviews the first 100 students to enter the building to determine the
percentage of students that own a car. - Correct answer✅✅ convenience
A market researcher randomly selects 200 drivers under 35 years of age and 100 drivers over 35 years of
age. - Correct answer✅✅ stratified
All of the teachers from 85 randomly selected nation's middle schools were interviewed. - Correct
answer✅✅ cluster
To avoid working late, the quality control manager inspects the last 10 items produced that day. -
Correct answer✅✅ convenience
The name of 70 contestants are written on 70 cards, the cards are placed in a bag, and three names are
picked from the bag. - Correct answer✅✅ simple random
