(Answered) Data onnbsp4200nbspcollege graduates show that the mean

Statistics

Data on 4200 college graduates show that the mean time required to graduate with a? bachelor's degree is 5.15 years with a standard deviation of1.69 years. Use a single value to estimate the mean time required to graduate for all college graduates.? Also, find the? 95% confidence interval for the mean time required to graduate for all college graduates.

The mean time required to graduate for all college graduates is approximately ________years.

?(Round to the nearest hundredth as? needed.)

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