# Question Which of the following statements are correct? The sample mean, regarded as a statistic (before a sample has been selected or an experiment carried out), is denoted by X-bar while the calculated value of this statistic is x-bar. hy s2 represents the sample standard deviation and is regarded as a statistic, while the calculated value of this statistic is s A statistic is any quantity whose value can be calculated from population data. All of the above statements are correct.

ZG9C4G The Asker · Probability and Statistics

Transcribed Image Text: Which of the following statements are correct? The sample mean, regarded as a statistic (before a sample has been selected or an experiment carried out), is denoted by X-bar while the calculated value of this statistic is x-bar. hy s2 represents the sample standard deviation and is regarded as a statistic, while the calculated value of this statistic is s A statistic is any quantity whose value can be calculated from population data. All of the above statements are correct.
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Transcribed Image Text: Which of the following statements are correct? The sample mean, regarded as a statistic (before a sample has been selected or an experiment carried out), is denoted by X-bar while the calculated value of this statistic is x-bar. hy s2 represents the sample standard deviation and is regarded as a statistic, while the calculated value of this statistic is s A statistic is any quantity whose value can be calculated from population data. All of the above statements are correct.