Math Problem Statement
find the mean, median, mode, range, mid range, standard deviation, variance and the coefficient of variation. Number of cups of coffee drunk per day of the sample smokers: 6 3 2 4 7 8 6 9 3 5
Solution
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Math Problem Analysis
Mathematical Concepts
Descriptive Statistics
Measures of Central Tendency
Measures of Dispersion
Formulas
Mean = (Σx) / n
Median = middle value of ordered set
Mode = most frequent value
Range = max - min
Mid-Range = (max + min) / 2
Variance = Σ(x - mean)^2 / n
Standard Deviation = √Variance
Coefficient of Variation = (Standard Deviation / Mean) * 100
Theorems
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Suitable Grade Level
Grades 9-12
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