You have been asked to determine how much tutoring increases performance on the final exam. To answer this question, you have randomly selected 4 students from the class and randomly assigned them to receive different levels of tutoring per week. Name Hours of Tutoring Per Week Final Exam Score
Sandra 0 70
John 1 75
Sally 2 85
Juan 4 90
a. Estimate the parameters from the following regression model:
EXCM - B - B hours+u
b. If assumptions 1-4 are met what is the return to studying?
c. If assumptions 1-4 hold what would you expect a student to get in the exam if she studied 3.5 hours?
d. If assumptions 1-4 hold what would you expect someone who did not study at all to get on the exam?

In a sumif conditional function, what should be the order of terms in the parentheses?

True or false: on january 1, year one, the epstein corporation buys a plot of land with a four-story office building. the company believes the building is worth $1.9 million and has an estimated life of twenty years (with no anticipated residual value). the straight-line method is used. the land has an assessed value of $100,000. because the seller was interested in a quick sale, epstein was able to buy this land and building for $1.7 million. depreciation expense to be recognized in year one is $80,750.

The following account balances at the beginning of january were selected from the general ledger of fresh bagel manufacturing​ company: work in process inventory ​$0 raw materials inventory $ 29 comma 000 finished goods inventory $ 40 comma 900 additional​ data: 1. actual manufacturing overhead for january amounted to $ 62 comma 600. 2. total direct labor cost for january was $ 63 comma 600. 3. the predetermined manufacturing overhead rate is based on direct labor cost. the budget for the year called for $ 255 comma 000 of direct labor cost and $ 382 comma 500 of manufacturing overhead costs. 4. the only job unfinished on january 31 was job no.​ 151, for which total direct labor charges were $ 5 comma 700 ​(1 comma 000 direct labor​ hours) and total direct material charges were $ 14 comma 400. 5. cost of direct materials placed in production during january totaled $ 123 comma 300. there were no indirect material requisitions during january. 6. january 31 balance in raw materials inventory was $ 35 comma 200. 7. finished goods inventory balance on january 31 was $ 35 comma 400. what is the cost of goods manufactured for​ january