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Chapter 1: Q. 10 (page 48)

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 population is ______________________

Short Answer

Expert verified

The population is the houses in the neighborhood around a local park in San Antonio, Texas for the given example.

Step by step solution

01

Concept Introduction

The population in statistics refers to the group of people, objects, or things that are being studied. For example, if the researcher wants to know the average income of people in the United States aged 18 to 60, the population will be all people in the United States aged 18 to 60.

02

Explanation

It is given that the residents of every eighth house in the neighborhood around a local park in San Antonio, Texas were interviewed.

Hence, as per the given information, the houses in the neighborhood around the local park is the population.

03

Final answer

For the given example, the houses in the neighborhood around a local park in San Antonio, Texas is the population.

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Most popular questions from this chapter

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

Would you expect the data to be identical? Why or why not?

The instructor’s sample produces a mean number of days absent of 3.5 days. This value is an example of a:

a. parameter.

b. data.

c. statistic.

d. variable.

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

Fifty part-time students were asked how many courses they were taking this term. The (incomplete) results are shown below:

a. Fill in the blanks in Table 1.33.

b. What percent of students take exactly two courses?

c. What percent of students take one or two courses?

The instructor takes her sample by gathering data on five randomly selected students from each Lake Tahoe Community College math class. The type of sampling she used is

a. cluster sampling

b. stratified sampling

c. simple random sampling

d. convenience sampling
See all solutions

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