Math Problem Statement

A random sample of students was asked how many lectures they had attended in the previous week.

Their responses where: 4, 3, 0, 4, 5, 3, 2, 5, 3, 1, 4, 5.

What is the sample standard deviation for the number of lectures attended, to 1 decimal place?

Solution

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Math Problem Analysis

Mathematical Concepts

Statistics
Sample Standard Deviation
Measures of Dispersion

Formulas

Sample standard deviation: s = sqrt((Σ(x_i - x̄)^2) / (n - 1))
Mean (x̄): x̄ = Σx_i / n

Theorems

Law of Large Numbers (implicitly related in sampling)

Suitable Grade Level

Grades 9-12