SELECT ALL THAT APPLY

question 49

Multiple Choice

SELECT ALL THAT APPLY.
-If the sample standard deviation of a sample N = 1001 is 2.60 and sample mean is 2.94,then

• A)estimate standard error is .8.
• B)the upper bound with 95% confidence level is 3.10.
• C)the lower bound with 95% confidence level is 2.78.
• D)the Z value corresponding to a 95% confidence level is 2.58.

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