terms for midterm
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| statistical term in which a number can be taken to represent the center of a distribution | Central Tendency
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| an estimate of a population value in which a range of values is specified | Confidence Interval
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| an alternative way to express alpha. The probability that a confidence will contain the population value (90%, 95%,99%) | Confidence level
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| summarizing many scores with a few statistics | Data reduction
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| using multiple measurements from a sample to try and make a close conclusion about some application value | estimation
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| making some generalization about a population from a sample | Inference
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| mathematical characteristics of a variable as determined by the measurement process a major criterion for selecting statistical technology | level of measurement
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| characteristic of a population | parameter
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| equal probability of selection method; a technique for selecting samples in which every element or case in the population has an equal probability of being selected for the sample (EPSEM) | Random Sampling (EPSEM)
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| measure of variation in a set of scores (highest to lowest) | Range
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| the distribution of all possible sample outcomes of a given statistic (left skewed/right skewed/normal) | Sampling distribution of a Statistic
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| a linear measure of dispersion from the mean | Standard Deviation
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| The way scores are expressed after they have been standardized to the theoretical normal curve | Standard (A) Scores
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| a measurement or number that is used to organize and/or analyze data | Statistic
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