Question: Question 3 [19 marks] In a factoryI the time during working hours in which a machine is not operating as a result of breakage or

Question 3 [19 marks] In a factoryI the time during working

Question 3 [19 marks] In a factoryI the time during working hours in which a machine is not operating as a result of breakage or failure is called the *downtime". The following distribution shows a sample of l downtim of a certain machine [rounded to the nearest minute]: mm with reference to the above distribution, calculate [a] the three measures of central location. [9] [bl the 1variance of the downtimes [5] {c} the 33rd percentile of the downtimes [5]

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