Use the data in GPA2.RAW for this exercise. Estimate the model
sat 5 b 0 1 b 1 hsize 1 b 2 hsize 2 1 u ,
where hsize is the size of the graduating class (in hundreds), and write the results in the usual form. Is the quadratic term statistically significant?
Using the estimated equation from part (i), what is the "optimal" high school size? Justify your answer.
Is this analysis representative of the academic performance of all high school seniors? Explain.
Find the estimated optimal high school size,

Nikolas works in a shoe store as a salesperson. a teenage boy comes in looking for comfortable sports shoes because he is going on a hike. he tells nikolas he wants shoes that have velcro straps. nikolas shows him a wide variety of velcro-strapped shoes, but the customer rejects them because they don't feel comfortable. he asks for sports shoes with laces instead. nikolas once again shows him a wide variety. the boy is once again not satisfied and asks to see the velcro-strapped shoes again. nikolas is irritated but doesn't show his annoyance. what customer service skill is nikolas showing? nikolas is a. meekness b. patience c. persistence

Walmart’s scm system walmart is famous for its low prices, and you may have experienced its low prices first-hand. at least, you have probably seen its motto, “always low prices— always.” one of the biggest reasons walmart is able to sell at prices lower than almost everyone else is that it has a superefficient supply chain. its it-enabled supply chain management system is the envy of the industry because it drives excess time and unnecessary costs out of the supply chain. so, because walmart can buy low, it sells low. as a matter of fact, if your company wants to sell items to walmart for it to sell in its stores, you will have to do business with it electronically. if your company can’t do that, walmart won’t buy anything from you. log on to walmart’s web site (), search for supplier information, and find out what walmart’s requirements are for its suppliers to do business with it electronically. prepare a brief summary of its requirements for presentation in clas

Which of the following does not offer an opportunity for timely content? evergreen content news alerts content that suits seasonal consumption patterns content that matches a situational trigger content that addresses urgent pain points