Mason, Arjun, and Abigail are on a mission to uncover the truth about school lunches! They decide to stand outside the lunchroom and ask every 10th student from each grade what they think. What do you think about their survey method?

Noah and Aria are conducting a fun survey to find out what sport high schoolers love the most. But here's the twist: they only ask their friends from the Rugby team!

Kai, Arjun, and Maya are conducting a fun survey and they want to know: What is your favorite soft drink? They are picking names out of a telephone book to choose the sample.

Imagine you're conducting a fun survey at school! You ask students: Should more money be put into athletic programs or music programs? Now, here's the twist: the sample is chosen from students in the band program, like Hannah, Elijah, and Mason. What do you think?

Kai and Lily are curious about their town’s favorite fast-food restaurant. They decide to randomly ask 30 people their preference as they leave a McDonald’s restaurant. What do you think their survey results will be?

Luna and Jackson are conducting a fun survey to predict the winner of the upcoming presidential election. They randomly ask people from the voter-registration list in each state for their opinions. Do you think their survey method is:

James and Avery are curious to find out the most popular sport at the Winter Olympics. They decide to visit Hunter Mountain Ski Resort and ask 50 people there. Do you think their method is:

Anika and Michael want to find out what subject is a favorite of their middle school. They only ask Algebra I students in 8th grade. Is their survey method:

Sophia and Hannah are conducting a fun survey about the people of Wisconsin! They decided to choose 100 people from each county based on a recent census. What do you think about their method?

Help Wicomico County Public Schools:
Imagine you're part of a fun survey where Wicomico County Public Schools randomly selected 230 teachers, including Abigail, Emma, and Samuel, to find out which technology resource they feel is the most effective. Can you identify the population?

Spot the Sample:
Imagine Anika, Aiden, and James are curious about dessert habits at their favorite restaurant. One evening, as customers leave, they randomly survey 20 people. Eight of them say they usually order dessert when they eat out. The trio concludes that most customers do not order dessert. Can you identify the sample in their survey?

Imagine you're a detective trying to figure out how many blades of grass are inside the track. Which sampling method would you use? Let's get some help from our friends Abigail, Avery, and Anika!

Ana, along with her friends Arjun, Ethan, and Rohan, wants to know the average student’s opinion of the tardy policy at their school. Which group of students should they survey to get the most accurate results?

At a middle school, the 7th graders, including Kai, Emma, and Maya, are excited to conduct a survey to decide where they want to go on a field trip. Which method will result in the least biased decision?

Imagine Hannah, Isla, and Aria are picking names out of a hat. Unbiased sampling is:

Samuel and Abigail are curious to find out the most popular children’s programs. They decide to ask parents to call in and complete a fun phone survey. What kind of sample is this?

Charlotte and Maya are curious about how airlines decide which passengers should have their carry-on luggage inspected. They notice that boarding passes are marked with red stars at random. What kind of sample is this?

Abigail and Maya are curious about how often people eat out. They decide to survey every tenth person entering a popular Chinese restaurant. What kind of sample is this?

Avery, Daniel, and Henry are on a mission to find out the most common injury treated in an emergency room. Every afternoon for one month during the summer, they visit the same hospital and observe people entering the emergency room. They conclude that second degree sunburn is the most common injury. Is their conclusion:

Carlos, curious about the favorite sport of students at his school, decides to ask his baseball team. William, Lily, and Luna are eager to share their thoughts!

Isla, Avery, and Aria decided to conduct a fun survey at the public library! They asked every 10th person who entered to name the type of book they were getting. What kind of survey is this?

3.  Luna and Jackson are planning to open a gym at their hospital. They decide to ask the night-shift ER staff when they would use the gym. What do you think about their approach?

Ava and Mason are conducting a science experiment. To get valid results, their sample must be...

Ariana wants to know the favorite type of music for students in her class. She puts the names of all the students in a hat, draws 8 names, and surveys Grace, Anika, Benjamin, and a few others.

Aria and Ava are having a debate. What does M.A.D stand for?

Grace and Jackson are having a math debate. Can you help them out? What is another word for average?

Sophia and Ava are discussing statistics. Which of the following statements about the mean absolute deviation of a set of data is correct?

At the grand opening of a new amusement park ride, Mason, Aria, and Nora were among the first ten people to experience the thrill! The ages of these adventurous riders were: 11, 34, 16, 18, 22, 30, 18, 20, 15, and 16. Can you calculate the mean absolute deviation of their ages? 

Lily, Aiden, and Kai are discussing statistics. Can you help them figure out what Mean Absolute Deviation is?

Abigail, Daniel, and Sophia are comparing their M.A.D. scores. Which M.A.D. would show the most consistency?

During a fun math challenge, Kai, Avery, and Isla each calculated a Mean Absolute Deviation (M.A.D.). Whose M.A.D. would show the most variability?

Aiden and Luna are discussing statistics. Can you help them figure out: What is Mean Absolute Deviation?

Michael and Olivia are calculating MAD in their math class. After finding the average or mean, what should they do next?

Ava and William are discussing statistics. Can you help them out? What is the definition of mean?

During a friendly basketball practice, Jason, Sophia, and Liam were competing to see who could make the most free throws. Here are Jason's scores: 15, 17, 11, 12, 13, 16.

Can you help them find the mean absolute deviation of Jason's scores?