Telephone Inquiries Of 100 Irs Customers Are Monitored Daily At Random By Xiangling Hu Incidents Of Incorrect Informa 1 (81.44 KiB) Viewed 102 times
Telephone inquiries of 100 IRS "customers" are monitored daily at random by Xiangling Hu. Incidents of incorrect information or other nonconformities (such as impoliteness to customers) are recorded. The data for last week gave an average value of conformities of 9.4 Upper Control Limit = Answer:
Thirty-five samples of size 7 each were taken from a fertilizer-bag-filling machine at Panos Kouvelis Lifelong Lawn Ltd. The results were: Overall mean = 54.6 Ib.; Average range R = 1.78 lb. For the given sample size, the control limits for 3-sigma X chart are: Lower Control Limit = Answer:
Telephone inquiries of 100 IRS "customers" are monitored daily at random by Xiangling Hu. Incidents of incorrect information or other nonconformities (such as impoliteness to customers) are recorded. The data for last week gave an average value of conformities of 8.5 Lower Control Limit = Answer:
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