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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.

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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 colors of the houses around the park are what kind of data?

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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

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Complete the tables using the data provided:

YouPolls is a website that allows anyone to create and respond to polls. One question posted April 15asks:

“Do you feel happy paying your taxes when members of the Obama administration are allowed to ignore their tax liabilities?”[5]

As of April 25,11people responded to this question. Each participant answered “NO!”

Which of the potential problems with samples discussed in this module could explain this connection?
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