Tiremax claims their high end tires average 80,000 km before they need to be replaced. A survey of owners of the Tiremax high end tires is conducted by a consumer magazine. The lifespan of the tires for 84 of these owners was recorded. Based on the survey results, can the consumer magazine state that the average lifespan is less than Tiremax's claim at a 5% level of significance? [9 marks] Tire Lifespa n [km] 80,446 86,227 75,579 70,667 75,659 82,458 80,172 89,484 77,509 81,335 71,874 70,377 74,451 83,326 82,829 82,074 83,692 79,313 73,661 88,022 86,153 87,955 87,178 83,536 81,706 86,606 80,656 75,907 83,472 73,566 73,062 82,675 82,956 77,884 83,184 72,432 84,681 87,551 74,850 74,618 73,759 74,353 75,808 76,212 79,991 88,380 77,105 77,482 77,222 82,588 89,895 84,131 74,867 83,365 71,599 75,809 75,575 73,577 84,143 82,701 70,202 82,635 82,566 73,377 73,419 72,262 79,416 71,239 81,072 76,088 78,974 87,282 74,072 86,324 84,767 83,025 77,664 78,080 78,494 88,518 80,403 81,098 76,885 70,093