Describe the importance of statistical methods in the health research. 2. Define measurement. 2. What is a variable? Identify which level of measurement is represented by the following data: a. Years covered in Zambia history: 1776-1876 b. Annual income of student in a college: K 0-K1,000 c. Course grades in any course: A, B, C, D, F d. Student gender: male, female

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