Due by 11.59 pm August 10th Chapter 12 Simple Regression Assignment Please provide detailed solutions to the following problems/exercises (4 problems/exercises x 8 points each): 1) Problem 12.2 (page 494 in the text) 2) Problem 12.20 (page 505 in the text) 3) Problem 12.24 (page 511 in the text) 4) Problem 12.30 (page 515 in the text) 1 Telephone Hold Time for Concert Tickets (n = 5) Operators (X) 4 5 6 7 8 Wait Time (Y) 385 335 383 344 288 Waiting time (seconds) for tickets to a popular concert. Moviegoer Spending on Snacks (n = 10 persons) Age (X) 30 50 34 12 37 33 36 26 18 46 Spent (Y) 2.85 6.50 1.50 6.35 6.20 6.75 3.60 6.10 8.35 4.35 \f\f\f\f\fPortfolio Returns on Selected Mutual Funds (n = 17 funds) Last Year (X) 11.9 19.5 11.2 14.1 14.2 5.2 20.7 11.3 -1.1 3.9 12.9 12.4 12.5 2.7 8.8 7.2 5.9 This Year (Y) 15.4 26.7 18.2 16.7 13.2 16.4 21.1 12.0 12.1 7.4 11.5 23.0 12.7 15.1 18.7 9.9 18.9 College Students' Part-Time Weekly Earnings (n = 5) Hours Worked (X) 10 15 20 20 35 Weekly Pay (Y) 93 171 204 156 261