1). A measure bone lengths is taken from a population, the ( = 60mm and s = 10mm a). What proportion of the population will have bone lengths greater than 66mm? b). If there are 2000 bone lengths in...

1). A measure bone lengths is taken from a population, the ( = 60mm and s = 10mm a). What proportion of the population will have bone lengths greater than 66mm? b). If there are 2000 bone lengths in this population, how many of them are greater than 66mm? c). What proportion of bone lengths in the population are less than 66mm? d). What proportion of the population has bone lengths between 60 -66mm? 2a).


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Biostatistic test 2Semester 1, 2011 Name: Student number: 1). A measure bone lengths is taken from a population, the ( = 60mm and s = 10mm a). What proportion of the population will have bone lengths greater than 66mm? b). If there are 2000 bone lengths in this population, how many of them are greater than 66mm? c). What proportion of bone lengths in the population are less than 66mm? d). What proportion of the population has bone lengths between 60 -66mm? 2a). Calculate the standard error of the mean (SE), from the following dataset of systolic blood pressure (mm Hg)? Note: use the expected value (E) to estimate s. 121 125 128 134 136 138 139 141 144 145 149 151 b). Then calculate the 95% confidence intervals about the mean Biostatistic test 2Semester 1, 2007 3). Provide descriptions of Type I and Type II errors 4). One hundred samples (n = 100) are taken from a population, if our null hypothesis states that ( = 17.5, and the standard deviation is 3.6. What is the power of our test if the true ( = 16.5? What impact will this have on the null hypothesis? XU = (o + z (s/ (n ) XL = (o - z (s/ (n ) Biostatistic test 2Semester 1, 2007 5). List three ways in which data may be dispersed, then list where it is theoretically appropriate to use Binomial, Poisson and Negative Binomial distributions. Biostatistic test 2Semester 1, 2007 5). Calculate the mean and variance of the following datasets, conduct a log transformation and compare variances Group 1Group 2 7.6 6.4 7.5 6.9 6.3 6). Conduct a square root transformation on the following dataset Group 1Group...



May 15, 2022
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