Stats test assignment 1
True
A sample is a portion or part of the population of interest.
Nominal
If Gallup, Harris, and other pollsters asked people to indicate their political party affiliation as Democrat, Republican, or Independent, the data gathered would be an example of which scale of measurement?
True
Statistics are used as a basis for making decisions.
True
To infer something about a population, we usually take a sample from the population.
Continuous
What type of variable is the number of gallons of gasoline pumped by a filling station during a day?
Ordinal
A bank asks customers to evaluate the drive-thru service as good, average, or poor. Which level of measurement is this classification?
True
A marketing research agency was hired to test a new DVD player. Consumers rated it outstanding, very good, fair, or poor. The level of measurement for this experiment is ordinal.
True
A population is a collection of all individuals, objects, or measurements of interest.
Sample
A portion or part of a population is called a
Nominal
A survey includes a question regarding marital status that has the following responses: single, married, divorced, separated, or widowed. What is the scale of measurement for this question?
Color of ink in a pen
An example of a qualitative variable is
False
Categorizing voters as Democrats, Republicans, and Independents is an example of interval level measurement.
sample
If we test a small number of light bulbs from a large group, the small group is called a
ratio
The "highest" level of measurement is
nominal
The "lowest" level of measurement is
Nominal
The Equal Employment Opportunity Act requires employers to classify their employees by gender and national origin. Which level of measurement is this?
False
The Union of Electrical Workers of America with 9,128 members polled 362 members about a new wage package that will be submitted to management. The population is the 362 members.
Descriptive
The branch of statistics that collects, analyzes, and presents data is called
Inferential
The branch of statistics that uses sample information to make conclusions about a population is called
Statistics
The general process of gathering, organizing, summarizing and interpreting data is called
Ratio
The incomes of 50 loan applicants are obtained. Which level of measurement is income?
Summarize data in a useful and informative manner
The main purpose of descriptive statistics is to:
Tons of concrete to complete a parking garage
Which of the following is an example of a continuous variable
Number of miles between New York City and Chicago
Which one of the following is NOT an example of discrete data?
Predicting
Which word is NOT part of the definition of descriptive statistics?
