a) Write down the estimated regression equation and interpret the estimated regression coefficients for X; and X,. b) Test if the overall regression model is significant or not using a 0.05 level of significance. c) Test the significance of each regression coefficient. Use significance level 0.05.

Match each question with its answer.

f.3.2

A new dormitory is to be constructed.  There will be three types of rooms: single rooms which accommodate just 1 student per room, double rooms which accommodate 2 students per room, and triple rooms which accommodate 3 students per room.  The dorm will contain 151 rooms and accommodate 262 students. Further, there will be 20 more double rooms than single rooms.  Find the number of each type of room. There will be  Blank 1. Calculate the answer by read surrounding text. single rooms. There will be  Blank 2. Calculate the answer by read surrounding text. double rooms. There will be  Blank 3. Calculate the answer by read surrounding text. triple rooms.

I DONT UNDERSTAND THE ANSWER TO NUMBER 1

Answer only no. 4. Typewritten only to get upvote. Thank you

these are my only 4 options a. 69 b. 138 c. 85 d. 170