Intro to Stats 8.4 Confidence Intervals - Sample Means pt 2

Multiple Choice

What critical value t* should be used for a 90% confidence interval from a random sample of 14 observations

• 1.782

• 1.771

• 1.761

• 1.753

Multiple Choice

What critical value t* should be used for a 95% confidence interval based on an SRS of size n =900

• 1.962

• 1.960

• 1.964

• 1.984

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Homework Day 2