MATH 399N Week 6 Assignment; Course Project Part I; Confidence Intervals

Course Project, Part I Directions: Please review the two articles listed below. Confidence Intervals, Pt. 1: • url= Confidence Intervals, Pt. 2: • Introduction The article explains how to compare the CIs of two mean scores to draw a conclusion about whether or not they are statistically different. It also explains that researchers use samples that they assume truly represent the population. We compare the mean blood pressure of exercising and sedentary patients in this article. According to the math provided, the mean BP of exercising patients is 120 mmHg while the mean BP of sedentary patients is 140 mmHg. The difference between the two is 20 mmHg which by we want to determine whether this difference is statistically significant. The article determines that the range of values between 120 and 130 mmHg falls within the CIs for both groups meaning that the 20 mmHg difference between the mean BP values is not strategically significant. Finally, we learned that the CIs of two mean scores or the CI of their difference can be used to determine whether or whether not the observed difference between the scores is statistically significant. It would be important to find the population mean of the data used for this term because the weight of a newborn at birth is closely linked to mortality risk in the first year, as well as developmental issues in infancy and the chance of developing numerous diseases in adulthood. Birthweight is frequently implicated in epidemiological studies as a causal factor in various health consequences. Low birthweight is an important measure of a baby's current health as well as a predictor of future health. Low birthweight babies, those weighing less than 2,500 grams at birth, are more likely to die in infancy or be at higher risk of sickness......... Continue