Math Problem Statement

Given a random sample of five data, calculate the standard deviation and range. Round to one decimal place.

x 13 3 1 25 20

Standard deviation = Question HelpQuestion 1: Video1 Submit QuestionQuestion 1 UnattemptedQuestion 2 Check 0/1 ptRetries 3Reattempts 98 The table below gives the number of hours spent watching TV last week from a random sample of 24 children. Calculate the range.

25 70 63 55 85 66 21 28 87 75 84 21 45 47 65 35 37 32 50 46 40 41 93 19

Range =

Solution

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Math Problem Analysis

Mathematical Concepts

Statistics
Descriptive Statistics

Formulas

Standard deviation formula: sqrt(Σ(xi - x̄)^2 / (n - 1))
Range formula: Max(data) - Min(data)

Theorems

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Suitable Grade Level

Grades 10-12