Con?dence interval for the population average

Reference no: EM13968624

Digital media have recently begun to take over from print outlets.7 A news- paper owners' association wants to estimate the average number of times a week peo- ple buy a newspaper on the street. A random sample of 100 people reveals that the sample average is 3.2 and the sample standard deviation is 2.1. Construct a 95% con?dence interval for the population average.

Reference no: EM13968624

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