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Various temperature measurements are recorded at different times for a particular city. The mean of 20°C is obtained for 60 t
A public bus company official claims that the mean waiting time for bus number 14 during peak hours is less than 10 minutes.
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DATE: 1 PAGE NO. 0 He: M = 22 H 22 20 1. S Test Statistic : Z x - Ho z = 20 - 22 1.51560 z = - 10.3.3 Cociticed value I Zala

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