TLS Online TPP Program
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TLS Online TPP Program
#Question id: 16883
#Section 3: Mathematics and Quantitative Ecology
Which of the following is NOT true about the standard error of a statistic?
TLS Online TPP Program
#Question id: 16884
#Section 3: Mathematics and Quantitative Ecology
A prospective observational study on the relationship between sleep deprivation and heart disease was done by Ayas, et. al. (Arch Intern Med 2003). Women who slept at most 5 hours a night were compared to women who slept for 8 hours a night (reference group). After adjusting for potential confounding variables like smoking, a 95% confidence interval for the relative risk of heart disease was (1.10, 1.92). Based on this confidence interval, a consistent conclusion would be
TLS Online TPP Program
#Question id: 16885
#Section 3: Mathematics and Quantitative Ecology
Consider a random sample of 100 females and 100 males. Suppose 15 of the females are left-handed and 12 of the males are left-handed. What is the estimated difference between population proportions of females and males who are left-handed (females − males)? Select the choice with the correct notation and numerical value.
TLS Online TPP Program
#Question id: 16886
#Section 3: Mathematics and Quantitative Ecology
A result is called “statistically significant” whenever
TLS Online TPP Program
#Question id: 16887
#Section 3: Mathematics and Quantitative Ecology
The confidence level for a confidence interval for a mean is
TLS Online TPP Program
#Question id: 16888
#Section 3: Mathematics and Quantitative Ecology
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