QNT 275 Week 2 Quiz | eBooks | Education

QNT 275 Week 2 Quiz

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QNT 275 Week 2 Quiz 

https://uopcourses.com/category/qnt-275/

 

QNT 275 Week 2 Quiz

 

Complete the quiz for Week 2.

question1

Which of the following variables is qualitative?

Height

Temperature

Gender

Weight

 

 

 

    • question2

 

 

 

A recent survey of 200 small firms (annual revenue less than $10 million) asked whether an increase in the minimum wage would cause the firm to decrease capital spending. Possible responses to the survey question were: “Yes,” “No,” or “Don’t Know.” These data are best classified as ____________.

Nominal Scale

Ratio Scale

Interval Scale

Ordinal Scale

 

 

 

    • question3

 

 

 

Which of the following represents a population and a sample from that population?

Teachers in a high school and members of the parent teacher group

Residents of Albany, New York, and registered voters in Albany, New York

Freshmen at St. Joseph’s University and basketball players at St. Joseph’s University

Fans at a concert who purchase t-shirts and fans at a concert who purchase soda

 

 

 

    • question4

 

 

 

Which of the following variables is quantitative?

Religious Affiliation

Gender

Marital Status

Temperature

 

 

 

    • question5

 

 

 

The accompanying chart shows the numbers of books written by each author in a collection of cookbooks. What type of chart is this?

Bar chart for quantitative data

Frequency histogram for quantitative data

Bar chart for qualitative data

Frequency histogram for qualitative data

 

 

 

    • question6

 

 

 

In order to summarize qualitative data, a useful tool is a __________.

Frequency Distribution

Line Graph

Histogram

Stem-and-Leaf Diagram

 

 

 

    • question7

 

 

 

ABC Plumbing wants to understand its customers’ perceptions of the quality of the company’s plumbing service calls. They plan to survey a sample of its customer base. What will ABC need to do to ensure that their data is valid and reliable?

The survey must include items that ask customers about their plumbing experiences, the survey sample must include the first 15 customers off the customer database, and the survey method must be repeatable.

The survey must include items that ask customers to rate the quality of plumbing service calls, the survey sample must represent all parts of the customer population, and the survey method must be repeatable.

The survey must include items that ask customers to rate the appearance of the plumbing store, the survey must include all customers, and the survey method must include setting up a table outside the local dollar store.

The survey must include items that ask customers to rate the friendliness of the receptionist, the survey must include all customers from the north side of the city, and the survey method must appeal to all respondents.

 

 

 

    • question8

 

 

 

A stem-and-leaf diagram is constructed by separating each value of a data set into two parts. What are these parts?

Stem consisting of the leftmost digits and leaf consisting of the second digit

Stem consisting of the second digit and leaf consisting of the last digit

Stem consisting of the leftmost digits and leaf consisting of the last digit

Stem consisting of the last digit and leaf consisting of the leftmost digits

 

 

 

    • question9

 

 

 

A population consists of _________________.

a subject of interest in a sample

all items of interest in a statistical problem

all items of interest in a sample

a subject of interest in a statistical problem

QNT 275 Week 2 Quiz https://uopcourses.com/category/qnt-275/ QNT 275 Week 2 Quiz Complete the quiz for Week 2. question1 Which of the following variables is qualitative? Height Temperature Gender Weight question2
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