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SOC 365 definitions
terms for midterm
Question | Answer |
---|---|
statistical term in which a number can be taken to represent the center of a distribution | Central Tendency |
an estimate of a population value in which a range of values is specified | Confidence Interval |
an alternative way to express alpha. The probability that a confidence will contain the population value (90%, 95%,99%) | Confidence level |
summarizing many scores with a few statistics | Data reduction |
using multiple measurements from a sample to try and make a close conclusion about some application value | estimation |
making some generalization about a population from a sample | Inference |
mathematical characteristics of a variable as determined by the measurement process a major criterion for selecting statistical technology | level of measurement |
characteristic of a population | parameter |
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) |
measure of variation in a set of scores (highest to lowest) | Range |
the distribution of all possible sample outcomes of a given statistic (left skewed/right skewed/normal) | Sampling distribution of a Statistic |
a linear measure of dispersion from the mean | Standard Deviation |
The way scores are expressed after they have been standardized to the theoretical normal curve | Standard (A) Scores |
a measurement or number that is used to organize and/or analyze data | Statistic |