A uric acid assay has two levels of QC (Level 1 and Level 2). u Level 1: Mean= 4.5mg/dL, SD= 0.8 mg/dL Level 2: Mean= 8.9 mg/dL, SD= 0.7 mg/dl. Calculate the 2SD and 3SD ranges. Then evaluate the four days of data that were collected (below). Determine whether any Westgard rules are violated, and if so, which rule(s)? If applicable, what corrected action should be taken? Show your work (calculations and/or graphs) and explain your answer. QC Level Day 1 Day 2 Day 3 Day 4 1 |4.8 mg/dL 5.3 mg/dL 4.5 mg/dL 3.0 mg/dL 2. 8.9 mg/dl 19.7 mg/dı l9 1 mg/dI 11 9 mg/d!

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Percentage

A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.

Algebraic Expressions

In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.

Numbers

Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.

Subtraction

Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.

Addition

Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.