Statistics Vocabulary Crossword Puzzle
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QUESTIONS LIST:
- statistic: a numerical value that describes a characteristic of a sample
- parameter: a numerical value that describes a characteristic of a population
- experiment: a study in which researchers deliberately apply treatments to subjects and observe the effects to determine cause-and-effect relationships.
- mean: the average of a set of numbers, the balance point of a data set
- median: the middle value in a data set when the numbers are arranged in order; if the set has an even number of values, it's the average of the two middle numbers.
- observational study: a study where researchers observe subjects without interfering
- srs: a sampling method where every member of the population has an equal chance of being selected.
- convenience sample: a sample drawn from a group that is easy to access, which may lead to biased results.
- undercoverage: a sampling error that occurs when some members of the population are inadequately represented in the sample.
- nonresponse: a type of bias that occurs when individuals selected for the sample do not respond or participate.
- response bias: a bias that occurs when participants give inaccurate or misleading answers, often due to wording or social pressure.
- standard deviation: a measure of how spread out the values in a data set are around the mean.
- interquartile range: the range of the middle 50% of a data set, calculated as the difference between the third quartile (q3) and the first quartile (q1).
- histogram: a graphical representation of the distribution of numerical data using bars to show frequency within intervals.
- empirical rule: a rule stating that for a normal distribution, approximately 68% of data falls within one standard deviation, 95% within two, and 99.7% within three.