The results of a survey on service quality satisfaction of consumers living in Seoul, Daejeon, Gwangju, and Busan based on three domestic mobile carriers A, B, and C are as follows. Test at a=0.05 whether there is a difference in the satisfaction of quality perceived by consumers by telecommunication company and region. (Explain the test results.)

number of times A telecom Btelecom C telecom 8 7 3 7 5 6 Seoul 9 8 4 8 6 3 5 9 7 7 8 6 Daejeon 6 8 wun 6 6 7 7 7 00 5 7 Gwangju 8 5 8 6 6 9 8 6 5 9 7 5 Busan 7 7 5 8 8 6 5 number of times A telecom Btelecom C telecom 8 7 3 7 5 6 Seoul 9 8 4 8 6 3 5 9 7 7 8 6 Daejeon 6 8 wun 6 6 7 7 7 00 5 7 Gwangju 8 5 8 6 6 9 8 6 5 9 7 5 Busan 7 7 5 8 8 6 5