A statistician selected a sample of 16 accounts receivable and ...

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A statistician selected a sample of 16 accounts receivable and determined the mean of the sample to be 5,000 with a standard deviation of 400 . She reported that the sample information indicated the mean of the population ranges from 4,739.80 to 5,260.20 . She did not report what confidence coefficient she had used. Based on the above information, determine the confidence coefficient that was used.

Question 2

All uncontrollable inputs or data must be specified before we can analyze the model and recommend a decision or solution for the problem.
  Indicate whether the statement is true or false

[ririgirl15]

Answer to Question 1

0.98

Answer to Question 2

T