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Winning marathon times. Chance (Winter 2000) published a study of men's and women's winning times in the Boston Marathon.
The researchers built a model for predicting winning time (y) of the marathon as a function of year (x1) in which the race is run and gender (x2) of the winning runner. Classify each variable in the model as quantitative or qualitative.
What do the coefficients of the regression line tell you about the relationship between mortgage rates and housing starts?
Suppose a machine is worth 33000 after 4 years and 18000 after 8. Find the rate of depreciation using the linear depreciation method
what is the major weakness of the hurwicz criterion?please answer in at least 3 sentences but no more than 6
Assume that Los Arboles had a special program in place to encourage helmet use. Elucidate to what extent did removal of the outlier improve the fit.
The psychologist's task is to select the 10 high-anxiety subjects. Find the probability that the psychologist guesses at least 9 of the 10 high-anxiety subjects correctly.
The mean and the standard deviation of a characteristics of 100 items were found to be 60 &10 respectively at the time of calculations two items were taken as 5 & 45 instead of 30 & 20.
The mathematics faculty at a college consists of 6 professors, 9 associate professors, 7 assistant professors, and 12 instructors. If one faculty member is randomly selected, find the probability of choosing a professor or an instructor.
A study finds, using a logit analysis, that there is a statistically significant 6% increase in the probability that a child will have a measles immunization if they attend an early intervention programme.
A dependent samples t test is typically more powerful than an independent samples t test because? Reduces participant/subject variability between groups.
a cast a die a number of independent times until a multiple of 3 appears on the top side of the die. find the
Suppose many cars come into the service station needing this part each week. What is the probability that the tenth part retrieved from stock is the first defective?
the average score of a sample of 87 senior business majors at utc who took the graduate management admission test was
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