KEY CONCEPT A population is an entire group of objects-people, animals, plants-from which data can be collected. A sample is a subset of the population. When you ask a statistical question about a population, it is often more efficient to gather data from a sample of the population. 忡 A representative sample of a population has the same characteristics as the population. Generating a random sample is one reliable way to produce a representative sample of a population. You can generate multiple random samples that are different but that are each representative of the population. Do You Understand? Do 1. Essential Question How can you determine a representative sample of a population? 4. A wh sa 50 of 2. Construct Arguments Why does a sample need to be representative of a population? 5. A IMP3 wh na ne at

KEY CONCEPT A population is an entire group of objects-people, animals, plants-from which data can be collected. A sample is a subset of the population. When you ask a statistical question about a population, it is often more efficient to gather data from a sample of the population. 忡 A representative sample of a population has the same characteristics as the population. Generating a random sample is one reliable way to produce a representative sample of a population. You can generate multiple random samples that are different but that are each representative of the population. Do You Understand? Do 1. Essential Question How can you determine a representative sample of a population? 4. A wh sa 50 of 2. Construct Arguments Why does a sample need to be representative of a population? 5. A IMP3 wh na ne at

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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Concept explainers

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.

Question

I need help with my math work

ZOOM
KEY CONCEPT
A population
A population is an entire group of
objects-people, animals, plants-from
which data can be collected. A sample is
a subset of the population. When you ask
a statistical question about a population,
it is often more efficient to gather data
from a sample of the population.
A representative sample of a population has the
same characteristics as the population. Generating
a random sample is one reliable way to produce a
representative sample of a population.
You can generate multiple random samples that
are different but that are each representative of
the population.
A random sample
Do You Understand?
Do You Know How?
4. A health club manager wants to determine
whether the members would prefer a new
sauna or a new steam room. The club surveys
50 of its 600 members. What is the population
of this study?
1. ? Essential Question How can you determine
a representative sample of a population?
2. Construct Arguments Why does a sample
need to be representative of a population? G MP3
5. A journalism teacher wants to determine
whether his students would prefer to attend a
national writing convention or tour of a local
newspaper press. The journalism teacher has
a total of 120 students in 4 different classes.
What would be a representative sample in this
situation?
3. Be Precise The quality control manager of
a peanut butter manufacturing plant wants
to ensure the quality of the peanut butter
in the jars coming down the
assembly line. Describe
a representative
sampling
6. Garret wants to find out which restaurant people
think serves the best beef brisket in town.
a. What is the population from which Garret
should find a sample?
method she
could use. O MP.6
b. What might be a sample that is not
representative of the population?

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