Math Problem Statement
A random sample of 50 employees from a large company has an average monthly income of K2,000 with a standard deviation of K400.
- What is the standard error of the mean?
Solution
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Math Problem Analysis
Mathematical Concepts
Statistics
Standard Error
Sample Size
Formulas
SEM = s / √n
Where: s = sample standard deviation, n = sample size
Theorems
Law of Large Numbers
Suitable Grade Level
Grades 10-12
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