8.1.16-T Question Help An intemet service provider (ISP) has experienced rapid g

Question

8.1.16-T Question Help An intemet service provider (ISP) has experienced rapid growth in the past five years. As part of its marketing strategy, the company promises fast connections and dependable service. To achieve its objectives, the company constantly evaluates the capacity of its servers. One component of its evaluating is an analysis of the average amount of time a customer is connected and actively using the Internet daily. A random sample of 12 customer records shows the following daily usage times, in minutes. Complete parts a through d below. 287 335 284 324 328 337 285 286 292 371 36 325 a. Using the sample data, compute the best point estimate of the population mean for daily usage times for the ISP's customers. minute(s) Round to two decimal places as needed.)

Explanation / Answer

The sample mean would be the best estimate for point estimate estimate of the population mean. The sample mean would be given by,

Mean = (287+335+284+324+328+337+285+286+292+371+361+325)/12 = 317.92 minutes

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