/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Q. 48 Political pollsters may be inter... [FREE SOLUTION] | 91影视

91影视

Log out

Learning Materials

Features

Discover

Chapter 1: Q. 48 (page 53)

Political pollsters may be interested in the proportion of people who will vote for a particular cause.

Short Answer

Expert verified

a. The population is entirely made up of voters.

b. Asampleisasamplingofallthevotersatrandom.

c. The percentage of voters who are concerned about this issue.

d. Thepercentageofvoterswhosupportthissample'sparticularcause.

e. The variable is X, which represents the number of voters that are interested in this issue.

f. Thevariable,suchasyesorno,providesdata.

Step by step solution

01

Introduction

A pollster is someone who conducts surveys of people to find out who they are voting for or to learn more about their views.

02

Explanation of a

The population will be the voters, according to the information supplied.

03

Explanation of b

Based on the information supplied, a sample of this data will be drawn from a randomly selected group of voters.

04

Explanation of c

The parameter of this data will be the population proportion of voters who will vote for a certain cause, according to the facts supplied.

05

Explanation of d

The sample proportion of people who will vote for a certain cause will be the statistic of this data, according to the specified facts.

06

Explanation of e

According to the information supplied, the variable of this data will be the number of votes cast by voters.

07

Explanation of f

The data will be the value of the variable, such as 1000 votes or 2000 votes, based on the information supplied.

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with 91影视!

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

A study was done to determine the age, number of times per week, and the duration (amount of time) of residents using a local park in San Antonio, Texas. The first house in the neighborhood around the park was selected randomly, and then the resident of every eighth house in the neighborhood around the park was interviewed.

The sampling method was

a. simple random; b. systematic; c. stratified; d. cluster

The graph in Figure 1.15shows the number of complaints for six different airlines as reported to the US Department of Transportation in February 2013. Alaska, Pinnacle, and Airtran Airlines have far fewer complaints reported than American, Delta, and United. Can we conclude that American, Delta, and United are the worst airline carriers since they have the most complaints?

List some practical difficulties involved in getting accurate results from a telephone survey.

Use the following information to answer the next seven exercises: Studies are often done by pharmaceutical companies to determine the effectiveness of a treatment program. Suppose that a new AIDS antibody drug is currently under study. It is given to patients once the AIDS symptoms have revealed themselves. Of interest is the average (mean) length of time in months patients live once starting the treatment. Two researchers each follow a different set of 40 AIDS patients from the start of treatment until their deaths. The following data (in months) are collected.

Researcher A: 3; 4; 11; 15; 16; 17; 22; 44; 37; 16; 14; 24; 25; 15; 26; 27; 33; 29; 35; 44; 13; 21; 22; 10; 12; 8; 40; 32; 26; 27; 31; 34; 29; 17; 8; 24; 18; 47; 33; 34

Researcher B: 3; 14; 11; 5; 16; 17; 28; 41; 31; 18; 14; 14; 26; 25; 21; 22; 31; 2; 35; 44; 23; 21; 21; 16; 12; 18; 41; 22; 16; 25; 33; 34; 29; 13; 18; 24; 23; 42; 33; 29

List two reasons why the data may differ.

1.12Determine the type of sampling used (simple random, stratified, systematic, cluster, or convenience). A high school principal polls 50freshmen, 50sophomores, 50juniors, and 50seniors regarding policy changes for after-school activities.
See all solutions

Recommended explanations on Math Textbooks

Calculus

Read Explanation

Statistics

Read Explanation

Geometry

Read Explanation

Applied Mathematics

Read Explanation

Mechanics Maths

Read Explanation

Theoretical and Mathematical Physics

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.