Suppose that we want to estimate the effects of alcogol consumption (alcohol) on college grade point average (colGPA. In addition to collecting information on GPAs and alcohol consumption, we also obtain attendance information (percentage of lectures attended, attend). A standardized test score, SAT, and high school GPA (hsGPA) are also available. a. Should we include attend along with alcohol as explanatory variables in a multiple regression model? (Think about how you would interpret alcohol.)
b. Should SAT and hsGPA be included as explanatory variables? Explain.

Exercise 8-6 goods in transit [lo8-2] the kwok company's inventory balance on december 31, 2016, was $190,000 (based on a 12/31/16 physical count) before considering the following transactions: 1. goods shipped to kwok f. o.b. destination on december 20, 2016, were received on january 4, 2017. the invoice cost was $35,000. 2. goods shipped to kwok f. o.b. shipping point on december 28, 2016, were received on january 5, 2017. the invoice cost was $22,000. 3. goods shipped from kwok to a customer f. o.b. destination on december 27, 2016, were received by the customer on january 3, 2017. the sales price was $45,000 and the merchandise cost $27,000. 4. goods shipped from kwok to a customer f. o.b. destination on december 26, 2016, were received by the customer on december 30, 2016. the sales price was $25,000 and the merchandise cost $18,000. 5. goods shipped from kwok to a customer f. o.b. shipping point on december 28, 2016, were received by the customer on january 4, 2017. the sales price was $30,000 and the merchandise cost $17,000. required: determine the correct inventory amount to be reported in kwok's 2016 balance sheet.

The demand curve determines equilibrium price in a market. is a graphical representation of the relationship between price and quantity demanded. depicts the relationship between production costs and output. is a graphical representation of the relationship between price and quantity supplied.

When it is 4: 00 a. m. in halifax, it is 1: 00 p. m. in karachi, and when it is 9: 00 a. m. in karachi, it is 5: 00 a. m. in warsaw. mary left halifax to fly to karachi, but she accidentally left her watch on warsaw time. according to mary’s watch, she left halifax at 9: 40 p. m. on monday. the local time when she arrived at karachi was 3: 00 p. m. tuesday. how long was mary’s flight? a. 9 hours, 20 minutes b. 13 hours, 20 minutes c. 14 hours, 20 minutes d. 17 hours, 20 minutes