When Using Student's T to Compute an Interval Estimate

question 3

Multiple Choice

When using Student's t to compute an interval estimate,

• A) we assume that the samples are collected from normally distributed populations.
• B) we estimate the population standard deviation based on the sample standard deviation.
• C) use the z distribution.
• D) we assume that samples are collected from normally distributed populations and the estimate of the population standard deviation based on the sample standard deviation.
• E) we assume that the samples are collected from normally distributed populations and use the z distribution.

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