G H Price ($) Talk Time (Hours) 7 60 80 Model CL84100 TL92271 4773B 65921 D2997 D1788 DS6521 CS6649 Overall Score 73 70 78 72 70 73 72 72 7 13 100 70 45 80 60 50 Voice Quality Excellent Very Good Very Good Very Good Very Good Very Good Excellent Very Good 13 10 7 7 7. Brand 2 AT&T 3 AT&T 4 Panasonic 5 Panasonic 6 Uniden 7 Uniden 8 Vtech 9 Vtech 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Excel File: data01-05.xlsx Brand Model Price ($) Overall Voice Quality Talk Time (hours) Score AT&T CL84100 60 73 Excellent 7 AT&T TL92271 80 70 Very Good 7 Panasonic 4773B 100 78 Very Good 13 Panasonic 6592T 70 72 Very Good 13 Uniden D2997 45 70 Very Good 10 Uniden D1788 80 73 Very Good 7. Vtech DS6521 60 72 Excellent 7 Vtech CS6649 50 72 Very Good 7 a. What is the average price for the phones (to 2 decimals)? S b. What is the average talk time for the phones (to 3 decimals)? hours c. What percentage of the phones have a voice quality of excellent (to the nearest whole number)? %