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10 Cards in this Set
- Front
- Back
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Socio-economic status measured by the annual income is an example of a |
Numerical variable |
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A quantitative variable whose values are accountable is called a |
Discrete variable |
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A portion or subset of the population of interest is called the |
Sample |
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Consider the following response: It took me four years to graduate from WWCC. Therefore, it must take longer to graduate from WWCC then from other community colleges. This is an example of anecdotal evidence. |
True |
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The most basic random sample is called a simple random sample, and is equivalent to using a raffle to select cases. |
True |
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The non-response bias cannot skew the results. |
False |
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What kind of study is performed in which the researchers collect the data in a way that does not directly interfere with how the data arise? |
Observational study |
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The most intuitive form of random sampling is |
Simple random sampling |
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Randomization is important in experimental studies because |
It will account for variables that cannot be controlled |
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The variance of the sample, 20, 20, 20, 20, 20, 20, 20, 20 is equal to |
None of the above |
