Question: In a data set with 2500 points, the sample mean was calculated to be 3980, and the sample standard deviation was calculated to be 1000.

In a data set with 2500 points, the sample mean was calculated to be 3980, and the sample standard deviation was calculated to be 1000. Assuming that the data were generated from a random output that was distributed according to a Normal distribution, what is the mean and standard deviation that you would use for predicting the next sample.

= 3980 =1020

= 3980 and = 1000

= 4000 and = 1020

= 4000 and = 1000

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