Mathematics, 27.08.2019 18:30 kayla942783
In order to estimate the average electricity usage per month, a sample of 125 residential customers were selected, and the monthly electricity usage was determined using the customers' meter readings. assume a population variance of 12,100kwh2. use excel to find the 98% confidence interval for the mean electricity usage in kilowatt hours. round your answers to two decimal places and use ascending order.
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