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University Notes
Statistics
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Hypothesis
An hypothesis is a specific statement of prediction. It describes in concrete (rather than theoretical) terms what you expect will happen in your study. Not all studies have hypotheses. Sometimes a study is designed to be e… Read MoreSampling Techniques
Simple Random Sampling
In a simple random sample (SRS) of a given size, all such subsets of the frame are given an equal probability. Each element has an equal probability of selection. Furthermore, any given pair&n… Read MoreTypes of Data
Primary and Secondary Data
Data can be classified as either primary or secondary. Primary data is original data that has been collected specially for the purpose in mind. This type of data is collected first hand. Those wh… Read MoreExperimental Design
In general usage, design of experiments or experimental design is the design of any information-gathering exercises where variation is present, whether under the full control of the experimenter or not. Formal planned exper… Read Moreconfidence interval
A confidence interval is a type of interval estimate of a population parameter and is used to indicate the reliability of an estimate.
Suppose you are trying to determine the average rent of a two-bedroom apartment in your … Read More
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