Which of the following statements is true concerning decision tree conventions? a.Time proceeds from right to left. b.The trees are composed of circles, triangles and ovals. c.The nodes represent points in time. d.Probabilities of outcomes are shown to the right of the end nodes.

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Import the hotel rooms from the downloaded text file a01 grader_a1_Rooms.csv, appending it to tblRooms. Ensure that Delimited, Comma, and First Row Contains Field Names are selected. Do not save the import steps. Open the Relationships window. Add tblGuests, tblReservations, and tblRooms. Create a one- to-many relationship between GuestID in tblGuests and GuestID in tblReservations. Enforce referential integrity. Do not cascade update or cascade delete. Create a one-to-many relationship between RoomNumber in tblRooms and RoomNumber in tblReservations. Enforce referential integrity. Do not cascade update or cascade delete. Save the changes. Create a relationship report. Save the report as Relationships for a01_grader_al and then close the report and the Relationships window. Use the Simple Query Wizard to create a query. The query results should list GuestID, GuestFirstName, GuestMiddleInital, GuestLastName, CheckInDate, NightsStay, and RoomType (in that order). Save your query as…

One of the assumptions made in simple regression is that ______________.   a. the error terms are exponentially distributed   b. the error terms have unequal variances   c. the model is linear   d. the error terms are dependent   e. the model is nonlinear