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The pheno data set contains phenotype information for 2457 subjects from the Finland-United States Investigation of NIDDM Genetics (FUSION) study of type 2 diabetes [SMS+04]. Among the physical measurements recorded is the height (in cm) of the subjects.
a) Make a normal-quantile plot of the heights of all subjects in this data set. Do the heights appear to be normally distributed?
b) Now make conditional normal-quantile plots, conditioned on sex. Do the heights of the men and women in this study appear to be approximately normally distributed? If not, how do the distributions differ from a normal distribution?
the gotham city police have just received three calls for police. five cars are available. the distance in city blocks
Suppose event A, B, and C are independent with probabilities 1/5, 1/4, and 1/3, respectively. Write down numerical expressions for the following probabilities.
What were the more important political, social, religious, and economic tensions that appeared throughout colonial America in the seventeenth century?
in a two-group intervention study what is the meaning of a t-test with p value of 0.03 result?a there is a high
a greenhouse in a tri-county area has kept track of its customers for the last several years and has determined that 28
Think about what you have learned and how you can relate it to your profession, your daily life, or a realistic hypothetical situation. Then, create (invent) a realistic small dataset that can be best described by mode and poorly described by mean.
A sample of n=20 has a mean of M = 40. If the standard deviation is s=5, would a score of X= 55 be considered an extreme value? Why or why not?
The following data represents the running time of films produced by 2 motion picture companies. Assume these are independent samples
a national manufacturer of unattached garages discovered that the distribution of the lengths of time it takes two
Assuming the sigma of 200 was actually the standard deviation for the sample, recalculate the interval estimate. Discuss how this changed your result from that in part b.
What figures do you need to calculate for this test? How many degrees of freedom are there? What is the value of the chi-square statistic for this table? What is the p-value of this statistic
Access the data file on the text website labeled Arlington Homes. It contains data on various variables, including price and square footage
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