Show:
Samples
Population
Random Samples
Biased
Unbiased
100
Bob is performing a survey to figure out what his schools favorite ice cream flavor. There are 600 students total in his school, but he only surveys the first 25 in all his classes. What is the population?
The first 25 in his classes.
100
Bob is performing a survey to figure out what his schools favorite ice cream flavor. There are 600 students total in his school, but he only surveys the people in all his classes. What is the population?
600 is the population
100
The randomly selected 45 students in the lunchroom.Adam has to complete a survey for band. He has to ask people what there favorite instruments are. He ramdomly selects 45 students in the lunchroom. What is the random sample?
The random sample is the 45 students in the lunchroom.
100
Adam has to complete a survey for band. He has to ask people what there favorite instruments are. He ramdomly selects 45 students in the lunchroom. Adam believes that this survey is biased. True or false.
False because he randomly selected the students so it could have been anyone.
100
Adam has to complete a survey for band. He has to ask people what there favorite instruments are. He ramdomly selects 45 students in the lunchroom. Adam believes that this survey is unbiased. True or false.
true because he could have selected any of the students in the lunchroom.
200
Jack has the complete a survey for school. He asks all 35 students in his 1st period. What is the sample?
The 35 students in 1st period
200
Adam has to complete a survey for band. He has to ask people what there favorite instruments are. He ramdomly selects 45 students in the lunchroom because he can't speak to all 650 students. What is the population?
the 650 students
200
Daniel is asked to do a survey for science. There are 432 students in total at the school, so he can't ask everyone. Instead he asks 50 randomly selected people in the lunchroom. What is the random sample?
The random sample is 50 students in the lunchroom.
200
Tyler is gathering information for a survey. She asks all 36 students in her 2nd period. She believes that this selection is biased. True or false.
True because only those students in 2nd period had a chance of being selected.
200
Gina is making a survey for social studies. She asks all 92 students in the lunchroom out of the 812 total. She believes that her selection is unbiased. True or false.
False because only those 92 in the lunchroom had a chance of being selected but the other 720 students didn't have any chance of selection.
300
Mary is completing a survey in her ballet class. She asks 12 of the 24 students. What is the sample?
The sample is the 12 students.
300
Jimmy is gathering answers for a survey. He asked everyone in his classes which is half of the total of 300 students in the whole school. What is the population?
300 students
300
Daisy is conducting a survey for Spanish. When at lunch Daisy goes up to 43 random students. What would be her random sample?
Her random sample would be the 43 students because she randomly chose them.
300
Bella is asked to complete a survey for French. She goes up to 26 random students in the hallway and gets their answers. Bella believes that this selection is biased. True or false.
False because every person in the hallway had an equal chance of being chosen.
300
Harry is asked to complete a survey on peoples favorite fast food restaurant. He goes up to 56 random people walking around the streets and gets their answers. He believes that his selection is unbiased. True or false?
True because everyone on the street had an equal chance of being selected for the survey.
400
Tiffany is conducting a survey on peoples favorite fruit. She asks people in her school of 400 total students. She asks 23 at lunch then she asks 12 in her next class. What is the sample?
35
400
Derek is surveying people on their favorite holidays. His school has 345 students in total, but he only asks 26 students. What is the population?
The population is 345 students
400
Sara is preparing a survey. She asks all 19 people in her social studies class. Is her selection random or not?
No it is not because she just asked all the people in her social studies class.
400
Kayla is conducting a survey on favorite colors. She asks only the people in her 4th period. She believes that her selection is biased. True or false.
True because the only people that were able to be in the survey was the people in her 4th period.
400
Gary is conducting a survey. He asked 34 random students in the gym. Is his selection biased or unbiased?
Unbiased because they were randomly selected.
500
Darla is making a survey. She asks 26 students in the classroom with 54 total students. What is her sample?
26
500
Rachel is doing a survey. She asks 50 of the students in the school out of the 340 total students. What is the population?
340 students
500
Seth is completing a survey. He asks 27 random people in the parking lot. Is his selection random?
Yes because any of the people in the parking lot could have been chosen.
500
Wayne is doing a survey. He asks 57 random people in the mall. Is his selection biased?
No because everyone in the mall had an equal chance of getting chose.
500
Mark is doing a survey. He asks 28 random people in Walmart. Is his selection unbiased?
Yes because each person in Walmart had an equal chance to get chose.