How do I answer these questions using excel? 1. The data in Table 7-6 were collected in a clinical trial to evaluate a new compound designed to improve wound healing in trauma patients. The new compound was compared against a placebo. After treatment for 5 days with the new compound or placebo, the extent of wound healing was measured. Is there a difference in the extent of wound healing between the treatments? (Hint: Are treatment and the percent wound healing independent?) Run the appropriate test at a 5% level of significance. TABLE 7-6 Data for Practice Problems 1 and 2 Percent Wound Healing Treatment 0-25% 26-50% 51-75% 76-100% New compound (n = 125) 15 37 32 41 Placebo (n 125) 36 45 34 10 2. Use the data in Problem 1. Pool the data across the treatments into one sample of size n = 250. Use the pooled data to test whether the distribution of the percent wound healing is approximately normal. Specifically, use the following distribution 30%, 40%, 20%, and 10% and a 0.05 to run the appropriate test. 3. The data in Table 7-7 were collected in an experiment designed to investigate the impact of different positions of pregnant women on fetal heart rate. Fetal heart rate is mesured by ultrasound in beats per minute. The study included 20 pregnant women who were assianed to one nosition and had tho fotal

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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.