# Maissa - Heart Rate by Maisa Khazaal b) One-Sample T: Age...

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Heart Rate by Maisa Khazaal b) One-Sample T: Age of Heart Attack Victim Variable N Mean StDev SE Mean 95% CI Age 41 72.78 10.07 1.57 (69.60, 75.96) The average age is 72.78 and the population mean is between 69.60 and 75.96 with 95% confidence. c) Confidence intervals are obtained under the assumption that the population is normal and random. These assumptions are fulfilled here since our boxplot/histogram proves the normality and since these are all random samples. d) The p value for men is less than 0.05 but for women it is greater than 0.05 and so therefore our data supports the fact that the average age of heart attacks in women is 70 but it doesn’t support the fact that the average age of heart attacks in men is 66. e) Two-sample T for C12 vs C13 Sample N Mean StDev SE Mean C12 24 73.3 11.1 2.3 C12 = Age of heart attack victims living within the metro area C13 17 72.00 8.75 2.1 C13 = Age of heart attack victims living out of the metro area Difference = mu (C12) - mu (C13) Estimate for difference:

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## Maissa - Heart Rate by Maisa Khazaal b) One-Sample T: Age...

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