Math Problem Statement

How is summative and formative evaluation important to a manager when running an organization? Show how ratio scale differs from nominal scale. Solve the following system of equations by substitution (leave the answers in fraction form) 2x + 3y = 12 and x - 2y = 5. Distinguish between Norm-referenced and Criterion-Referenced tests. How is inferential statistics related to descriptive statistics?

Solution

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  1. Summative and formative evaluation in organization management (Part a)
  2. Difference between ratio scale and nominal scale (Part b)
  3. Solve the system of equations using substitution method (Part c):
    • 2x+3y=122x + 3y = 12
    • x−2y=5x - 2y = 5
  4. Difference between norm-referenced and criterion-referenced tests (Part d)
  5. Relationship between inferential and descriptive statistics (Part e)

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Math Problem Analysis

Mathematical Concepts

Algebra
Systems of Equations
Substitution Method

Formulas

Solving for x: x = 2y + 5
Substituting x in 2x + 3y = 12: 2(2y + 5) + 3y = 12

Theorems

Substitution method for solving systems of equations

Suitable Grade Level

Grades 8-10

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