Examlex
If the CPI is now 95,then prices have _____ since the base year.
Random Sample
A selection of individuals from a population where each person has an equal chance of being chosen, ensuring the sample’s representativeness of the population.
Sampling Distribution
How likely different outcomes of a statistic are, based on data collected randomly.
T-statistic
A type of statistic used in hypothesis testing, calculated from sample data to assess the strength of the evidence against the null hypothesis.
Z-score
A Z-score is a statistical measurement describing the number of standard deviations a data point is from the mean of a data set, used in standardizing data and for hypothesis testing.
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