Keyword Analysis & Research: statistics meaning symbols

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What do statistical symbols mean?

The symbol ‘σ’ represents the population standard deviation. The term ‘sqrt’ used in this statistical formula denotes square root. The term ‘Σ ( Xi – μ )2’ used in the statistical formula represents the sum of the squared deviations of the scores from their population mean.

What is the symbol for statistical significance?

The statistically significant result is attained when a p-value is less than the significance level. It is represented using the symbol (α), alpha. The statistical significance is used in hypothesis testing to find if a data is statistically significant.

What are the letters in statistics?

In general, capital letters refer to population attributes (i.e., parameters); and lower-case letters refer to sample attributes (i.e., statistics). For example, P refers to a population proportion; and p, to a sample proportion. X refers to a set of population elements; and x, to a set of sample elements.

What does Mu symbol mean in statistics?

In statistics, Mu stands for the mean of a series of numbers. The mean can also be described as the average of the numbers.