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Look once more at the data from the Tour de France. In Exercise 32 we looked at the whole history of the race, but now let s consider just the post World War II era.
a) Find the regression of Avg Speed by Year only for years from 1947 to the present. Are the conditions for regression met?
b) Interpret the slope.
c) In 1979 Bernard Hinault averaged 39.8 kph, while in 2005 Lance Armstrong averaged 41.65 kph. Which was the more remarkable performance and why?
There are twelve months. Given the cohort of 100 which starts the program, about how many are left after twelve months?
For given problem, give a 95% confidence interval for the difference in proportion of theaters nationwide where one movie will be preferred over the other. Is the point 0 contained in the interval? Discuss.
the heights of people of the same sex and similar ages follow a normal distribution reasonably closely. weights on the
Compute the mean, median, mode and standard deviation for the following discrete probability distribution.
Women who drink a lot of soda may simply have generally unhealthy lifestyles" said Richard Adamson of the American Beverage Association. Do you think that the study described was an observational study or an experiment?
The following exercises involve constructing definitions:- Construct theoretical definitions for "energy" and "atom."
probability of 0.31 that it is dominant. There is also a probability of 0.22 that a gene is type B and it is dominant. What is the probability that a gene is of type A?
Information on a packet of seeds claims that the germination rate is 92%, only 171 of 200 test seeds sprout. Is this evidence that the seeds have lost viability during a year in storage?
suppose that two electronic components in the guidance system for a missile operate independently and that each has a
the mean number of errors per page made by a member of the word processing pool for a large company is thought to be
If you increase in the equation, would it move the graph upward? Express your answer in terms of time, initial position, initial velocity, and acceleration.
a box of 10 gloves contains three left-handed gloves and seven right-handed gloves. complete parts a through d.a. if
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