Chapter 1: Data and Statistics
Quiz
The sample size
- can be larger than the population size
- is always smaller than the population size
- can be larger or smaller than the population
- is always equal to the size of the population
A population is
- the same as a sample
- the selection of a random sample
- the collection of all items of interest in a particular study
- none of the above
The study of the methods of organization, summarization, and presentation of statistical data is referred to as
- inferential statistics
- descriptive statistics
- sampling
- none of the above
The process of making inferences about the characteristics of the population based on the sample information is termed
- descriptive statistics
- random sample
- statistical inference
- sampling
The entities on which data are collected are
- variables
- data sets
- elements
- none of the above
The level of measurement that allows for the rank ordering of data items is
- nominal measurement
- ratio measurement
- ordinal measurement
- none of the choices are correct
- none of the choices are correct
Labels or names used to identify attributes of elements are
- quantitative data
- qualitative data
- simple data
- none of the above
A characteristic of interest for the elements is
- a variable
- an element
- a data set
- none of the above
Arithmetic operations are appropriate for
- qualitative data
- quantitative data
- both quantitative and qualitative data
- neither quantitative nor qualitative data
- none of the above
Zip codes are an example of
- qualitative data
- quantitative data
- both quantitative and qualitative data
- neither quantitative nor qualitative data
- none of the choices are correct