Math Problem Statement
Construct a normal probability plot for the data set {4, 5, 5, 2, 5, 5, 5, 4, 4, 6, 6, 7, 8, 7} Using the normal probability plot, a histogram of the data, and by comparing the mean and median, this data set appears to follow a distribution that is _________.
nearly normal
skewed left
skewed right
Solution
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Math Problem Analysis
Mathematical Concepts
Statistics
Probability Distribution
Normal Probability Plot
Histogram
Measures of Central Tendency
Formulas
Mean = (Sum of all data points) / (Number of data points)
Median = Middle value of ordered data set
Z-scores for normal probability plot
Theorems
Empirical Rule
Central Limit Theorem
Suitable Grade Level
Grades 9-12
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