Statistics > QUESTIONS & ANSWERS > Grand Canyon University - HLT 362V HLTV Exercise 14 & 19 (All)

Grand Canyon University - HLT 362V HLTV Exercise 14 & 19

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EXERCISE 14 Questions to Be Graded 1. According to the study narrative and Figure 1 in the Flannigan et al. (2014) study, does the APLS UK formula under- or overestimate the weight of children young ... er than 1 year of age? Provide a rationale for your answer. The APLS UK formula overestimates the weight of children younger than 1 year of age. This can be seen in Figure 1 where there is a visible difference between the estimated weight and the predicted weight. 2. Using the values a = 3.161 and b = 0.502 with the novel formula in Figure 1, what is the predicted weight in kilograms (kg) for a child at 9 months of age? Show your calculations. Y = bx + a Y = 0.502x + 3.161 Y = 0.502(9) + 3.161 Y = 4.518 + 3.161 Y = 7.679 kg 3. Using the values a = 3.161 and b = 0.502 with the novel formula in Figure 1, what is the predicted weight in kilograms for a child at 2 months of age? Show your calculations. Y = bx + a Y = 0.502x + 3.161 Y = 0.502(2) + 3.161 Y = 1.004 + 3.161 Y = 4.165 kg 4. In Figure 2, the formula for calculating y (weight in kg) is Weight in kg = (0.176 × Age in months) + 7.241. Identify the y intercept and the slope in this formula. Y = bx + a b = slope of the line a = y-intercep [Show More]

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