Please help with the question below

Palisades EcoPark is a small ecological reserve that admits a relatively,r small number ofvisitors on any day. but provides both educational and entertaining lectures. exhibitions. and opportunities to observe nature. The company has collected the following data on labor oosts and number ofvisitors to the park over the last 30 months Ibrrth Lin" CEt Visitors 1 $25,923 1, 5613 2 $35,131 2,215 3 51113, 123 2,925 1 531, 2213 2,352 5 $31,911.11 2,513 5 532, 299 2,312 2 532, 112 2,335 3 $33,133 2,3311. 9 $33, 21? 2,923 13 $112,114 3,2132 11 $112,323 3,151 12 $39,131 2,959 13 53-1, 522 2,552 11 533, 3132 2,124 15 53?, 115 2,555 15 $25,563. 2, 222 12 5313, 2132 3, 595 113 5313,1122 2,9513 19 $22,592 2,554 23 539,119 3, 1112 21 525, 292 2,112 22 5211 , 251 1, 9313 23 $291,334 3, 1159 211 539,229 4,1312 25 5215,2211 2,1115 25 $31,813 3,555 22 523, 252 3, 155 213 5313,1113 3,2211 29 523,513 2, 5513 31] $21,932 2, 1s? Pequlred: a. Estimate the labor costs assuming 2.500 visitors for the month using the results of a simple regression based on the 30 mortdts of available data. b. What percentage ofthe I'aria nce in the data does the Rsoua red value explain? 1:. You learn that starting in month 16. the park started using a different. more automated system for interacting with visitors. Estimate the labor cost assuming 2.500 visitors using the results of a simple regression based on the data for months IE through 30 only. d. What percentage ofthe variance in the data does the quu ared value explain