
Q1. Basic Vocabulary of Statistics. Data Collection. Data Types
Quiz by Dmitry Kislitsyn
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Descriptive statistics allow a decision maker to reach conclusions about a population based on a subset from a population
Companies frequently use charts and graphs in their regular communications with stockholders and investors; this shows the use of descriptive statistics.
AÂ manufacturing manger has developed a table that shows the average production volume each day for the past three weeks. The average production level is an example of a numerical measure.
An experiment is a process that generates data as its outcome
An open-end question requires respondents to choose from a short list of choices.
If you have an ordinal variable, it is possible to precisely measure the magnitude of the difference between the possible values of the values of the variable.
Flavours of ice cream (chocolate, vanilla, strawberry, etc) are an example of nominal data.
Data collected on marital status (married, divorced, single, other) would be an ordinal level variable.
Cross-sectional data is a set of data values observed at successive points in time.
On a survey, amount of education is recorded as some high school, high school graduate, some college, college graduate, etc. This is an example of ordinal data.
The Chinese automobile company has recently made a decision to build a new plant in St. Petersburg. In making this decision it used data supplied by the Russian statistical service. For the company, these data are example of:
An Internet service provider wants to determine its level of customer satisfaction. The best data collection to obtain the results most quickly is:
Which of the following data collection methods is most likely to generate the largest nonresponse?
Which of the following types of questions provide the respondent with the greatest choice in responding to a question?
In developing and conducting a survey, what is the purpose of the pre-test phase?