Question: vs. s Two symbols are used for the standard deviation: and s. a. Which represents a parameter, and which represents a statistic? b. To

σ vs. s Two symbols are used for the standard deviation: σ and s.

a. Which represents a parameter, and which represents a statistic?

b. To estimate the commute time for all students at a college, 100 students are asked to report their commute times in minutes. The standard deviation for these 100 commute times was 13.9 minutes. Is this standard deviation σ or s?

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