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It's a model for measuring reliability of measures of a construct. First you choose randomly a finite number of items from an infinite pool of items to measure the construct and then use it as a criterion to evaluate reliability of other chosen samples. The higher the correlation of the scores derived using any random sample with the score derived using the criterion sample, the higher the reliability of the random sample
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What is objectivity in statistics?
the use of random sampling that results in an unbiased conclusion.
Population and sampling techniques of statistics?
population -group statistically sampled.
How is probability related to statistics?
Probability is related to statistics in a direct manner. When one is doing a research for statistics, probability has to be used especially in sampling a small region.
What are the advantages and disadvantages of data collection methods in statistics?
There are both advantages and disadvantages of data collection methods in statistics. The main advantages are the metrics and correlation one can draw from statistics. The disadvantages stem from sampling errors.
Use of statistics in social work?
In social work, statistics is used by polling individuals to evaluate them by a subset of obtained data. It is also used by sampling certain group to determine their wants.
