In which survey was a parameter reported? Select two answers.
A. Of the 100 teenagers surveyed from Jill’s middle school, 2 out of 3 of them own a bicycle.
B. Of the 1000 seventh grade boys surveyed across the U.S., 5 out of 6 of them want to go to college.
C. Of the 120 sixth graders at Jill’s middle school, 3 out of 5 of them bring their lunch.
D. Of the 50 students surveyed across the city who take the bus, 1 out of 2 of them said they would prefer another mode of transportation.******
E. Of the 92 teachers at Jill’s middle school, 3 out of 4 do not like working late.
answer is C
The correct answers are:
D. Of the 50 students surveyed across the city who take the bus, 1 out of 2 of them said they would prefer another mode of transportation.
E. Of the 92 teachers at Jill’s middle school, 3 out of 4 do not like working late.
The two surveys in which a parameter was reported are:
B. Of the 1000 seventh grade boys surveyed across the U.S., 5 out of 6 of them want to go to college.
D. Of the 50 students surveyed across the city who take the bus, 1 out of 2 of them said they would prefer another mode of transportation.
To determine if a parameter was reported in a survey, we look for a specific value or proportion that represents a characteristic of a larger population. In survey B, the parameter reported is the proportion of seventh grade boys across the U.S. who want to go to college, which is 5 out of 6. In survey D, the parameter reported is the proportion of students who take the bus and would prefer another mode of transportation, which is 1 out of 2.