When TV advertisements report that “2 out of 3 dentists surveyed indicated they would recommend Brand X toothpaste to their patients,” an informed consumer may question the conclusion because:
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A. the results were incorrectly computed. |
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B. dentists were not really surveyed. |
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C. the conclusion does not include the total number of dentists surveyed. |
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D. the conclusion is not illustrated with a graph. |
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What’s This?
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The main purpose of descriptive statistics is to:
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A. summarize data in a useful and informative manner. |
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B. make inferences about a population. |
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C. determine if the data adequately represents the population. |
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D. gather or collect data. |
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What’s This?
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A poll of 1,000 voters used to predict the outcome of a statewide election is an example of:
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A. descriptive statistics. |
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B. continuous variable measurement. |
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C. statistical inference. |
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D. deductive statistics. |
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What’s This?
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The number of fishing boats shipped from a manufacturer to a dealer each month is described as a:
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A. random variable. |
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B. qualitative variable. |
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C. discrete variable. |
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D. continuous variable. |
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What’s This?
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The kinds of numbers that can take on any value, either a fraction or integer, between specified limits are called:
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A. random variables. |
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B. qualitative variables. |
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C. discrete variables. |
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D. continuous variables. |
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What’s This?
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Which of the following is an example of a qualitative variable?
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A. Number of children in a family |
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B. Weight of a person |
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C. Color of ink in a pen |
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D. Miles between oil changes |
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What’s This?
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Data obtained on the preferences of different religious groups for specific types of network television programming is an example of:
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A. random variables. |
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B. qualitative variables. |
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C. discrete variables. |
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D. continuous variables. |
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What’s This?
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__________ level data are mutually exclusive and exhaustive, and categories are scaled according to the amount of the characteristic they possess, and zero represents a point on the scale.
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A. Nominal |
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B. Ordinal |
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C. Interval |
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D. Ratio |
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What’s This?
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A bank asks customers to evaluate the drive-through service as good, average, or poor. Which level of measurement does this classification illustrate?
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A. Nominal |
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B. Ordinal |
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C. Interval |
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D. Ratio |
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What’s This?
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Information can be misrepresented:
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A. through misleading charts and graphs. |
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B. by reporting of an association of variables as causation. |
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C. by presenting average data that misrepresents sample or population data. |
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D. All of the above |
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What’s This?
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The _________ level of measurement presumes that one classification is ranked higher than another.
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A. nominal |
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B. ordinal |
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C. interval |
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D. ratio |
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What’s This?
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_________ data are usually summarized in graphs and bar charts.
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A. Qualitative |
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B. Quantitative |
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C. Continuous |
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D. Discrete |
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What’s This?
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Data can be classified according to:
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A. discrete variables. |
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B. continuous variables. |
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C. attributes. |
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D. levels of measurement. |
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What’s This?
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With the _________ level of measurement, the data are sorted into categories with no particular order to the categories.
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A. nominal |
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B. ordinal |
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C. interval |
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D. ratio |
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What’s This?
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_________ involve(s) making estimates about a population based on sample results.
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A. Inferential statistics |
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B. Determinant statistics |
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C. Statistical sampling |
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D. Statistical analysis |
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What’s This?
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With _________ level data, the data classifications are scaled according to the amount of the characteristic they possess.
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A. nominal |
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B. ordinal |
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C. interval |
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D. ratio |
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What’s This?
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