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Is there an effect of gender? In this exercise we investigate the effect of gender on the odds of getting a high GPA.
(a) Use gender to predict HIGPA using a logistic regression. Summarize the results.
(b) Perform a logistic regression using gender and the two SAT scores to predict HIGPA. Summarize the results.
(c) Compare the results of parts (a) and (b) with respect to how gender relates to HIGPA. Summarize your conclusions.
suppose the number of children who are obese in the united states grew from 1265966 in 2002 to 1819643 in 2007. use
a research study showed that 50 of workers change jobs within 2 years of employment. george took a random sample of 100
use normal approximation to estimate the probability of passing a truefalse test of 60 questions if the minimum
Calculate the cost per unit of each product using the unit-based costing method by allocating overhead based on direct-labor costs.
Waiting time at a bank drive-in widow the average waiting time at a drive-in window of local bank is 10.3 minutes,
The Minnesota Department of Transportation installed a state-of-the-art weigh-in-motion scale in the concrete surface of the eastbound lanes of Interstate 494 in Bloomington, Minnesota.
The results for college x was a mean of 5 hours and an estimated population variance of 2 hours: for college y, m= 4, s 2 =1.5; and for college Z, M= 6, s 2 =2.5 what should you conclude? Use the .5 level.
The industry standard suggests that 10% of new vehicles require warranty service within the first year. Jones Nissan in Sumter, South California, sold 12 Nissans yesterday. What is the probability that none of these vehicles require warranty servic..
What is the population of interest? Find the gas prices of regular, unleaded gasoline at 45 gas stations in the Milwaukee area. You can do this using the suggested websites below or you can drive around and record prices. Note that these websites..
People arrive at a restaurant at a rate of five per minute and wait to receive their order for an average of 5 mins. Customers eat in with a probability of 0.5 and carry out with a probability of 0.5.
What is the probability that a shopper will spend more than 25 minutes in a store? If 200 shoppers enter a store, how many shoppers would you expect to stay in the store for more than 25 minutes?
Consider two urns with the following composition: Urn 1 contains 5 red and 15 black balls, Urn 2 contains 8 red and 12 black balls.
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