HSCI 410 Study Guide - Final Guide: Simple Linear Regression, Null Hypothesis, Microsoft Excel
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6 Aug 2021
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Page 4: copied below are boxplots that show precipitation for each month of the year in amman, jordan. 1a (3 marks) for a random sample of size n, which confidence level, 90% or 95% will produce a wider confidence interval. 1b. (3 marks) for a 95% confidence interval, which sample size, 50 or 100, will produce a wider confidence interval. Justify your answer in 3 sentences or less. Page 7: (6 marks) thirty-five patients with ischemic heart disease, a suppression of blood flow to the heart, took part in a series of tests designed to evaluate the perception of pain. In one part of the study, the patients exercised until they experienced angina, or chest pain. The time until the onset of angina and the duration of the attack were recorded. The data are available on canvas in the data file ischemic. xls. We ( reject / do not reject ) the null hypothesis (circle one: the p-value is ___________________
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