7 ACC M4T2 Test Review

Allen wants to collect data about the varsity basketball team at his high school. He gives the following survey to all members of the team. Imagine you're part of the thrilling investigation led by Allen! What is the population of the survey?

• All students at the high school

• The varsity basketball team

• All basketball teams in the district

• The entire student body

Imagine you're part of the varsity basketball team, just like Arjun and Olivia. Is the data collected in the survey a census?

• Yes, because it includes the entire varsity basketball team

• No, because it only includes a sample of the team

• Yes, because it includes all students at the school

• No, because it only includes a sample of the school

When Allen discovered that 28% of the players spend 1–2 hours on homework each night, was he uncovering a hidden treasure of a parameter or a statistic?

• Parameter, because it describes the entire population

• Statistic, because it describes a sample

• Parameter, because it is an estimate

• Statistic, because it is a guess

Henry wants to know the mean number of minutes seventh-grade students spend on their computer each day. Imagine you're helping Henry with this fun school project! Which sampling method would give Henry the best chance of accurately representing the entire student body?

• Choosing every fifth student from an alphabetical list, just like Abigail's clever plan!

• Picking the first 50 students who dash into the cafeteria, like Rohan's speedy idea!

• Selecting students based on their grades, as Sophia might suggest!

• Going with students who volunteer, like a spontaneous adventure!

Imagine you're at school, and every 10th student entering the building is asked by Zoe if the school should build a new cafeteria. Is this a random sample?

• Yes, because every student has an equal chance of being selected.

• No, because it only includes students entering the building.

• Yes, because it is a systematic method.

• No, because it is biased towards students who enter the building.

Imagine you're in a class where only students who are 5 feet, 9 inches or taller, like Elijah, are asked how many hours they spent studying for the last test. Do you think this is a random sample?

• Yes, because it includes a specific group.

• No, because it excludes shorter students like Sophia and Abigail.

• Yes, because it is a fair representation of the class.

• No, because it is biased towards taller students like Elijah.

Charlotte and Aria are on a mission to find out the average height of plants in their magical garden. They decide to measure only the plants on the eastern end. Is this a random sample?

• Yes, because it includes all plants in the garden.

• No, because it only includes plants on one side.

• Yes, because it is a convenient method.

• No, because it is biased towards plants on the eastern end.

In the great sandwich showdown, Samuel, Liam, and Daniel are debating over their favorite fillings. Which filling was the underdog, chosen the least in the rye bread sandwiches?

• Turkey

• Ham

• Cheese

• Wheat

In the Sandwich Showdown, Zoe, Daniel, and Evelyn are on a quest to find the ultimate bread! Which bread was the top choice in all their delicious sandwich creations?

• Wheat

• Rye

• Cheese

• Ham