Respuesta :
Answer:
A. how much of the students time is spent on social media during school hours.
B. By using some kind of selection technique Like Having students draw number from a hat, who ever have the specific numbers will take her survey.
C. The population for Sofies research would be a rate of 5/2. For every 5 people who take the survey only 2 turned it in.
D. She would conclude that 1 out of every 2 or 50 percent of students use social media while doing school work.
Step-by-step explanation:
The percent of all high school students who use social media while doing schoolwork, if Sofie uses only the completed surveys, is 50%.
What is random sample?
Random sample is the way to choose a number or sample in such a manner that each of the sample of the group has an equal probability to be chosen.
For a research project, students are asked to study how often students at an online high school look at social media while doing schoolwork.
- A) Example of a question she could ask on her survey-
Sofie can use the question as, how many times a student look at social media while doing schoolwork?
- B) The way, Sofie select a simple random sample of students to take her survey-
Sofie can use a simple random sampling technique to select a simple random sample of students to take her survey.
- C) Sample and population for Sofie's research-
As Sofie gives out 80 surveys but receives only 32 completed surveys. Thus, the sample is data of 32 completed surveys and the population is total 80 surveys.
- D) Percent of all high school students who use social media while doing schoolwork-
Of the 32 students who completed surveys, 16 said they use social media while doing schoolwork. Thus, the percentage is,
[tex]P=\dfrac{16}{32}\times100\\P=50\%[/tex]
Hence, the percent of all high school students who use social media while doing schoolwork if Sofie uses only the completed surveys, is 50%.
Learn more about the random sample here;
https://brainly.com/question/17831271
