Keeping in mind that a normal distribution is a model for a continuous variable, which one of the following variables cannot possibly have a normal distribution?
a. People's opinions about a new tax law (favor or oppose)
b. Weights of 5-year-old male children
c. Handspans of adult females
d. Ounces of soda in cans labeled as having 12 ounces
Question 2
A survey at a large public university reveals that many students hold a (part-time) job while going to college. Out of 127 female students surveyed, 95 have a job and out of 143 male students, 97 have a job. What is the estimate for the difference between the proportions of female and male students who have a job while going to college?
PET scan of a normal brain.
George Green. …marooned in dreaming: a path of song and mind, in progress.
The Distribution of the Earth's Wealth
The leaky-barrel model: a settling-point model of eating and body weight homeostasis.
Keeping It Cool! (1 of 2)
Construct a Lorenz curve that shows income distribution in this society.