In Order to Predict with 80% Confidence the Expected Value

question 147

Multiple Choice

In order to predict with 80% confidence the expected value of y for a given value of x in a simple linear regression problem, a random sample of 15 observations is taken. Which of the following t-table values listed below would be used?

• A) 1.350
• B) 1.771
• C) 2.160
• D) 2.650
• E) 2.260

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