6. Ana wants to know the average student’s opinion of the tardy policy at her school. Which group of students should she survey in order to achieve the most accurate results?

A. Thirty randomly selected students from her school

B. Thirty students who are rarely tardy

The manager of a book store surveys people who buy mystery novels to see if the store should expand its hours. What is the population?

People who visit the bookstore.

A student surveys mathematics teachers to get their opinion on teaching. What is the sample?

All mathematics teachers in the school.

All teachers within the school.

All teachers except mathematics teachers.

A student wants to know which type of pizza the students at his high school prefer. Which option would give a unbiased, representative sample: Average

Asking 10 random students from each homeroom.

Asking all the students in the hot lunch line.

Asking every other student who gets off a school bus.

Why do we randomly select our samples?

so we don't get the same answers from everyone

to eliminate confounding results

Which sentence describes the relationship shown on this scatter plot?

As the time spent training increases, the time to run 100 m decreases.

The more time spent training, the longer it takes to run 100 m.

As the time spent training decreases, the time to run 100 m decreases.

Data Cycle Unit Practice

Authored by Andrea Kenyon

Mathematics

9th - 12th Grade

CCSS covered

Used 2+ times

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25 questions

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MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which method is most likely to produce a random sample of the members of your class?

listing the first six students that come to mind

choosing the five oldest students in the class

writing the name of each student on a separate piece of paper and then drawing these slips from a hat

selecting the first six students to arrive at class

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In order to use samples to estimate something from the population, the sample should be _________________ the population.

Exactly the same as

Nothing like

Representative of

Larger than

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Dylan asked his school's basketball team to rate the school cafeteria. Is this a biased sample of the school's population?

Yes, because it is a convenience survey

No, the basketball team has the smartest students

Yes, because it's voluntary survey

No, he should have asked the football team

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A school principal wants to see which subject the 695 students in his school liked best. Which choice BEST represents a representative sample?

The girls in the school.

1 classroom for each grade

All the students in the school.

The students making a B in math.

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The entire group studied.

sample

population

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.4

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The part of the population being studied

population

sample

random

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A sample that is by chance.

random sample

stratified sample

systematic sample

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

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Data Cycle Unit Practice

Which method is most likely to produce a random sample of the members of your class?

In order to use samples to estimate something from the population, the sample should be _________________ the population.

Dylan asked his school's basketball team to rate the school cafeteria. Is this a biased sample of the school's population?

A school principal wants to see which subject the 695 students in his school liked best. Which choice BEST represents a representative sample?

The entire group studied.

The part of the population being studied

A sample that is by chance.

A toy store owner is tracking how much kids spend each month on toys. Which choice BEST represents a sample?

You want to know how many students catch the bus to go home. You go to the bus stop and ask students how they go home from school. Is this a random sample or biased sample?

1. A sample in which every person, object, or event has an equal chance of being selected.

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