Math Problem Statement

Find​ (a) the​ range, and​ (b) the standard deviation for the given sample. 84.38​, 85.74​, 85.07​, 85.92​, 85.74​, 84.56​, 85.95​, 85.77​, 85.01

Question content area bottom Part 1 ​(a) Find the range of the given sample. Rangeequals    enter your response here ​(Simplify your answer. Type an integer or a​ decimal.) Part 2 ​(b) Find the standard deviation of the given sample. sequals    enter your response here ​(Simplify your answer. Type an integer or decimal rounded to the nearest hundredth as​ needed.)

Solution

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Math Problem Analysis

Mathematical Concepts

Statistics
Range
Standard Deviation

Formulas

Range = Max value - Min value
Standard Deviation = sqrt((1 / (n - 1)) * Σ(x_i - x̄)²)

Theorems

Formula for standard deviation of a sample

Suitable Grade Level

Grades 9-12