Sampling Error Can Be Avoided

question 93

Multiple Choice

Sampling error can be avoided

• A)by using an unbiased estimator.
• B)by eliminating nonresponses (e.g. ,older people).
• C)by no method under the statistician's control.
• D)either by using an unbiased estimator or by eliminating nonresponses.

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Definitions:

P-value

The probability of obtaining test results at least as extreme as the results observed, assuming that the null hypothesis is true.

Pearson Correlation

A measure of the linear correlation between two variables, giving a value between -1 and 1 where 1 implies a positive linear correlation, -1 a negative linear correlation, and 0 no linear correlation.

Null Hypothesis

A hypothesis that there is no significant difference or effect, serving as the default assumption to test against in statistical analysis.

Maximum Temperature

The highest recorded temperature in a specified period or area.