What is the point estimate of the population mean

Reference no: EM13219466

Warren County Telephone Company claims in its annual report that "the typical customer spends $55 per month on local and long-distance service." A sample of 12 subscribers revealed the following amounts spent last month. $66,$63,$68,$60,$61,$60,$61,$58,$60,$55,$56,$61

(a) What is the point estimate of the population mean?

(b) Determine the 95% confidence interval for the population mean.

Reference no: EM13219466

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