plz check my answers (and tell me what the answers are to the ones i get wrong or at least give me a clue t0 what the right answer is)
According to the survey described here, what was the sample of the survey? “A recent telephone survey of 900 teenagers aged 16 to 19 from across the state shows 1 out of 4 of them drive themselves to school.”
A. all teenagers aged 16 to 19 in the state
B. 900 teenagers aged 16 to 19 from across the state
C. 1 out of 4 teenagers aged 16 to 19 from across the state
D. teenagers aged 16 to 19 from across the state who own a telephone*******
Mrs. Williams wants to determine which year-end celebration to choose for the students. She wants student input, so she needs to choose a sample of 20 students from the school. Which of the samples shown is a random sample? Select two answers.
A. Choose the first 20 students to arrive in the library in the morning.********
B. Choose the 20 students who volunteer for the school fundraising event this Friday.
C. Give every student a number and select 20 numbers from a box without looking.*********
D. Assign students a number and choose the first 20 numbers to come up using a random number table.
E. Choose the first 20 students from an alphabetized school roster.
Seth wants to find out if students at Hillsboro High School go to the football games. He decides to take a sample rather than ask every student. He asks the first 15 boys leaving the library. Which statement about the sample is true? Select two answers.
A. This sample includes the entire student population.
B. This sample includes only those students who use the library.
C. This sample is representative of the population.********
D. This sample is not a random sample.
E. This sample is a random sample.**********
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.
Maria is using the random number table shown to select students for her survey. She assigned each of the 300 students in the school a three-digit number starting with 001. Beginning on Line 13, what is the third student number chosen for the sample?
A. 020
B. 171
C. 529*************
D. 639
You design and give a survey to your homeroom class. The survey includes the question, “To the nearest half hour, how many minutes do you exercise each day?” Suppose a national gym franchise decided to calculate the number of minutes teenagers exercise each week by using the results of your class survey. What is the population for this problem?
A. your homeroom class******
B. teens who exercise
C. teenagers across the country
D. gym members
5 answers
1.A
2.C,D
3. B,D
4. C,E
5.A
6.C
number 1 the answer is B
14 answers