The age of computer use, เฉลีย that 10 hours. If the manufacturer wants to know whether the new parts, improve the use will stand the lifetime มากกว่า- 0 hours? In this manufacturer"s choice decision 2 ways.So the life of average parts renovation is 10 hours or less.So the life of average parts renovation, more than 10 hours.Can be written as both the alternative hypothesis thatThe conclusion shows that the average lifetime of parts h renovated not longer than the old parts.The conclusion shows that the average lifetime of parts h improved available longer than the old parts.
การแปล กรุณารอสักครู่..
